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Annotation of embedaddon/php/tests/lang/foreachLoop.002.phpt, revision 1.1

1.1     ! misho       1: --TEST--
        !             2: Foreach loop tests - modifying the array during the loop.
        !             3: --FILE--
        !             4: <?php
        !             5: 
        !             6: echo "\nDirectly changing array values.\n";
        !             7: $a = array("original.1","original.2","original.3");
        !             8: foreach ($a as $k=>$v) {
        !             9:        $a[$k]="changed.$k";
        !            10:        var_dump($v);
        !            11: }
        !            12: var_dump($a);
        !            13: 
        !            14: echo "\nModifying the foreach \$value.\n";
        !            15: $a = array("original.1","original.2","original.3");
        !            16: foreach ($a as $k=>$v) {
        !            17:        $v="changed.$k";
        !            18: }
        !            19: var_dump($a);
        !            20: 
        !            21: 
        !            22: echo "\nModifying the foreach &\$value.\n";
        !            23: $a = array("original.1","original.2","original.3");
        !            24: foreach ($a as $k=>&$v) {
        !            25:        $v="changed.$k";
        !            26: }
        !            27: var_dump($a);
        !            28: 
        !            29: echo "\nPushing elements onto an unreferenced array.\n";
        !            30: $a = array("original.1","original.2","original.3");
        !            31: $counter=0;
        !            32: foreach ($a as $v) {
        !            33:        array_push($a, "new.$counter");
        !            34: 
        !            35:        //avoid infinite loop if test is failing
        !            36:     if ($counter++>10) {
        !            37:        echo "Loop detected\n";
        !            38:        break;          
        !            39:     }
        !            40: }
        !            41: var_dump($a);
        !            42: 
        !            43: echo "\nPushing elements onto an unreferenced array, using &\$value.\n";
        !            44: $a = array("original.1","original.2","original.3");
        !            45: $counter=0;
        !            46: foreach ($a as &$v) {
        !            47:        array_push($a, "new.$counter");
        !            48: 
        !            49:        //avoid infinite loop if test is failing
        !            50:     if ($counter++>10) {
        !            51:        echo "Loop detected\n";
        !            52:        break;          
        !            53:     }  
        !            54: }
        !            55: var_dump($a);
        !            56: 
        !            57: echo "\nPopping elements off an unreferenced array.\n";
        !            58: $a = array("original.1","original.2","original.3");
        !            59: foreach ($a as $v) {
        !            60:        array_pop($a);
        !            61:        var_dump($v);   
        !            62: }
        !            63: var_dump($a);
        !            64: 
        !            65: echo "\nPopping elements off an unreferenced array, using &\$value.\n";
        !            66: $a = array("original.1","original.2","original.3");
        !            67: foreach ($a as &$v) {
        !            68:        array_pop($a);
        !            69:        var_dump($v);
        !            70: }
        !            71: var_dump($a);
        !            72: 
        !            73: ?>
        !            74: --EXPECT--
        !            75: 
        !            76: Directly changing array values.
        !            77: string(10) "original.1"
        !            78: string(10) "original.2"
        !            79: string(10) "original.3"
        !            80: array(3) {
        !            81:   [0]=>
        !            82:   string(9) "changed.0"
        !            83:   [1]=>
        !            84:   string(9) "changed.1"
        !            85:   [2]=>
        !            86:   string(9) "changed.2"
        !            87: }
        !            88: 
        !            89: Modifying the foreach $value.
        !            90: array(3) {
        !            91:   [0]=>
        !            92:   string(10) "original.1"
        !            93:   [1]=>
        !            94:   string(10) "original.2"
        !            95:   [2]=>
        !            96:   string(10) "original.3"
        !            97: }
        !            98: 
        !            99: Modifying the foreach &$value.
        !           100: array(3) {
        !           101:   [0]=>
        !           102:   string(9) "changed.0"
        !           103:   [1]=>
        !           104:   string(9) "changed.1"
        !           105:   [2]=>
        !           106:   &string(9) "changed.2"
        !           107: }
        !           108: 
        !           109: Pushing elements onto an unreferenced array.
        !           110: array(6) {
        !           111:   [0]=>
        !           112:   string(10) "original.1"
        !           113:   [1]=>
        !           114:   string(10) "original.2"
        !           115:   [2]=>
        !           116:   string(10) "original.3"
        !           117:   [3]=>
        !           118:   string(5) "new.0"
        !           119:   [4]=>
        !           120:   string(5) "new.1"
        !           121:   [5]=>
        !           122:   string(5) "new.2"
        !           123: }
        !           124: 
        !           125: Pushing elements onto an unreferenced array, using &$value.
        !           126: Loop detected
        !           127: array(15) {
        !           128:   [0]=>
        !           129:   string(10) "original.1"
        !           130:   [1]=>
        !           131:   string(10) "original.2"
        !           132:   [2]=>
        !           133:   string(10) "original.3"
        !           134:   [3]=>
        !           135:   string(5) "new.0"
        !           136:   [4]=>
        !           137:   string(5) "new.1"
        !           138:   [5]=>
        !           139:   string(5) "new.2"
        !           140:   [6]=>
        !           141:   string(5) "new.3"
        !           142:   [7]=>
        !           143:   string(5) "new.4"
        !           144:   [8]=>
        !           145:   string(5) "new.5"
        !           146:   [9]=>
        !           147:   string(5) "new.6"
        !           148:   [10]=>
        !           149:   string(5) "new.7"
        !           150:   [11]=>
        !           151:   &string(5) "new.8"
        !           152:   [12]=>
        !           153:   string(5) "new.9"
        !           154:   [13]=>
        !           155:   string(6) "new.10"
        !           156:   [14]=>
        !           157:   string(6) "new.11"
        !           158: }
        !           159: 
        !           160: Popping elements off an unreferenced array.
        !           161: string(10) "original.1"
        !           162: string(10) "original.2"
        !           163: string(10) "original.3"
        !           164: array(0) {
        !           165: }
        !           166: 
        !           167: Popping elements off an unreferenced array, using &$value.
        !           168: string(10) "original.1"
        !           169: string(10) "original.2"
        !           170: array(1) {
        !           171:   [0]=>
        !           172:   string(10) "original.1"
        !           173: }