3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($var){ echo "test $var\n"; } class bla { public $foo = "test"; public function bar($str) { echo $this->foo($str),"\n"; // php5 fails w/o method below specified } public function bar_none($str) { if (phpversion() >= "7.0.0"){ echo ($this->foo)($str),"\n"; // php7 works } } public function foo($val){ test($val); } } $objBla = new bla(); $objBla->bar("someval"); $objBla->bar_none("nother val");
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
test someval test nother val
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /in/sPSpl on line 16
Process exited with code 255.
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95.97 ms | 402 KiB | 94 Q