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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo $p = json_encode(array('Foo', array('baz' => 14, 45 => 'Bar'))); $s = json_decode($p, true); echo array_unshift($s); print_r($s);
Output for 5.3.0 - 7.1.0
["Foo",{"baz":14,"45":"Bar"}] Warning: array_unshift() expects at least 2 parameters, 1 given in /in/P5MVn on line 5 Array ( [0] => Foo [1] => Array ( [baz] => 14 [45] => Bar ) )
Output for 5.2.0 - 5.2.17
["Foo",{"baz":14,"45":"Bar"}] Warning: Wrong parameter count for array_unshift() in /in/P5MVn on line 5 Array ( [0] => Foo [1] => Array ( [baz] => 14 [45] => Bar ) )
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/P5MVn on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/P5MVn on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/P5MVn on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/P5MVn on line 3