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run code in 300+ PHP versions simultaneously
<?php $a = 'b'; $b = 'c'; echo "${a}"; echo "${$a}";
Output for 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: Using ${var} in strings is deprecated, use {$var} instead in /in/iIg7j on line 6 Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/iIg7j on line 7 bc
Output for 7.0.0 - 7.0.23, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34
bc
preferences:
104.4 ms | 1598 KiB | 4 Q