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run code in 300+ PHP versions simultaneously
<?php $array = [ "value.inside.array", "val-2.of.array", ".var2.in.arr", "dot.notation.", "value. dot", "consecutive....dots", "a.b.c.d.e.f" ]; var_export( preg_grep('~^[^.\s]+(?:\.[^.\s]+)+$~', $array) );
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
array ( 0 => 'value.inside.array', 1 => 'val-2.of.array', 6 => 'a.b.c.d.e.f', )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
preferences:
180.13 ms | 407 KiB | 5 Q