3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = array('item1' => 'object1', 'item2' => 'object2', 'item-n' => 'object-n'); $output = implode(', ', array_map(function ($v, $k) { return $k . '=' . $v; }, $input, array_keys($input))); echo$input
Output for 5.4.0 - 5.4.34
Parse error: syntax error, unexpected end of file, expecting ',' or ';' in /in/1IrHZ on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected $end, expecting ',' or ';' in /in/1IrHZ on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/1IrHZ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/1IrHZ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/1IrHZ on line 3
Process exited with code 255.
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198.66 ms | 1395 KiB | 124 Q