Annotation of embedaddon/php/ext/standard/tests/general_functions/var_export_basic7.phpt, revision 1.1.1.1
1.1 misho 1: --TEST--
2: Test var_export() function with valid null values
3: --FILE--
4: <?php
5: /* Prototype : mixed var_export(mixed var [, bool return])
6: * Description: Outputs or returns a string representation of a variable
7: * Source code: ext/standard/var.c
8: * Alias to functions:
9: */
10:
11: echo "*** Testing var_export() with valid null values ***\n";
12:
13: // different valid null vlaues
14: $unset_var = array();
15: unset ($unset_var); // now a null
16: $null_var = NULL;
17:
18: $valid_nulls = array(
19: "NULL" => NULL,
20: "null" => null,
21: "null_var" => $null_var,
22: );
23:
24: /* Loop to check for above null values with var_export() */
25: echo "\n*** Output for null values ***\n";
26: foreach($valid_nulls as $key => $null_value) {
27: echo "\n-- Iteration: $key --\n";
28: var_export( $null_value );
29: echo "\n";
30: var_export( $null_value, FALSE);
31: echo "\n";
32: var_dump( var_export( $null_value, true) );
33: echo "\n";
34: }
35: ?>
36: ===DONE===
37: --EXPECT--
38: *** Testing var_export() with valid null values ***
39:
40: *** Output for null values ***
41:
42: -- Iteration: NULL --
43: NULL
44: NULL
45: string(4) "NULL"
46:
47:
48: -- Iteration: null --
49: NULL
50: NULL
51: string(4) "NULL"
52:
53:
54: -- Iteration: null_var --
55: NULL
56: NULL
57: string(4) "NULL"
58:
59: ===DONE===
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