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Annotation of embedaddon/php/ext/standard/tests/general_functions/is_callable_basic1.phpt, revision 1.1

1.1     ! misho       1: --TEST--
        !             2: Test is_callable() function : usage variations - defined functions
        !             3: --INI--
        !             4: precision=14
        !             5: error_reporting = E_ALL & ~E_NOTICE | E_STRICT
        !             6: --FILE--
        !             7: <?php
        !             8: /* Prototype: bool is_callable ( mixed $var [, bool $syntax_only [, string &$callable_name]] );
        !             9:  * Description: Verify that the contents of a variable can be called as a function
        !            10:  * Source code: ext/imap/php_imap.c
        !            11:  */
        !            12: 
        !            13: /* Prototype: void check_iscallable( $functions );
        !            14:    Description: use iscallable() on given string to check for valid function name
        !            15:                 returns true if valid function name, false otherwise
        !            16: */
        !            17: function check_iscallable( $functions ) {
        !            18:   $counter = 1;
        !            19:   foreach($functions as $func) {
        !            20:     echo "-- Iteration  $counter --\n";
        !            21:     var_dump( is_callable($func) );  //given only $var argument
        !            22:     var_dump( is_callable($func, TRUE) );  //given $var and $syntax argument
        !            23:     var_dump( is_callable($func, TRUE, $callable_name) );
        !            24:     echo $callable_name, "\n";
        !            25:     var_dump( is_callable($func, FALSE) );  //given $var and $syntax argument
        !            26:     var_dump( is_callable($func, FALSE, $callable_name) );
        !            27:     echo $callable_name, "\n";
        !            28:     $counter++;
        !            29:   }
        !            30: }
        !            31: 
        !            32: echo "\n*** Testing is_callable() on defined functions ***\n";
        !            33: /* function name with simple string */
        !            34: function someFunction() {
        !            35: }
        !            36: 
        !            37: /* function name with mixed string and integer */
        !            38: function x123() {
        !            39: }
        !            40: 
        !            41: /* function name as NULL */
        !            42: function NULL() {
        !            43: }
        !            44: 
        !            45: /* function name with boolean name */
        !            46: function false() {
        !            47: }
        !            48: 
        !            49: /* function name with string and special character */
        !            50: function Hello_World() {
        !            51: }
        !            52: 
        !            53: $defined_functions = array (
        !            54:   $functionVar1 = 'someFunction',
        !            55:   $functionVar2 = 'x123',
        !            56:   $functionVar3 = 'NULL',
        !            57:   $functionVar4 = 'false',
        !            58:   $functionVar5 = "Hello_World"
        !            59: );
        !            60: /* use check_iscallable() to check whether given string is valid function name
        !            61:  *  expected: true as it is valid callback
        !            62:  */
        !            63: check_iscallable($defined_functions);
        !            64: 
        !            65: ?>
        !            66: ===DONE===
        !            67: --EXPECT--
        !            68: *** Testing is_callable() on defined functions ***
        !            69: -- Iteration  1 --
        !            70: bool(true)
        !            71: bool(true)
        !            72: bool(true)
        !            73: someFunction
        !            74: bool(true)
        !            75: bool(true)
        !            76: someFunction
        !            77: -- Iteration  2 --
        !            78: bool(true)
        !            79: bool(true)
        !            80: bool(true)
        !            81: x123
        !            82: bool(true)
        !            83: bool(true)
        !            84: x123
        !            85: -- Iteration  3 --
        !            86: bool(true)
        !            87: bool(true)
        !            88: bool(true)
        !            89: NULL
        !            90: bool(true)
        !            91: bool(true)
        !            92: NULL
        !            93: -- Iteration  4 --
        !            94: bool(true)
        !            95: bool(true)
        !            96: bool(true)
        !            97: false
        !            98: bool(true)
        !            99: bool(true)
        !           100: false
        !           101: -- Iteration  5 --
        !           102: bool(true)
        !           103: bool(true)
        !           104: bool(true)
        !           105: Hello_World
        !           106: bool(true)
        !           107: bool(true)
        !           108: Hello_World
        !           109: ===DONE===