3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); for($i=0; $i<2; $i++) { $name = $a[$i]['name'] = 'name' . ($i+1); $age = $a[$i]['age'] = 'age' . ($i+1); echo "name is " . $name . " and age is " . $age . " ==> "; $name = "bla"; echo "name is " . $a[$i]['name'] . " and age is " . $age . " "; }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
name is name1 and age is age1 ==> name is name1 and age is age1 name is name2 and age is age2 ==> name is name2 and age is age2

preferences:
318.11 ms | 406 KiB | 419 Q