3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=[]; $a[1]="foo"; $a[1.5]="bar"; $a['1.5']='bax'; var_dump($a);
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Deprecated: Implicit conversion from float 1.5 to int loses precision in /in/vQRpa on line 5 array(2) { [1]=> string(3) "bar" ["1.5"]=> string(3) "bax" }
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(2) { [1]=> string(3) "bar" ["1.5"]=> string(3) "bax" }

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