3v4l.org

run code in 300+ PHP versions simultaneously
<?php $products = ['canvas']; $availableSizes = ['8x10', '10x10', '12x12']; $materials = ["matte", "luster"]; $colors = ['red', 'white', 'blue']; var_export( array_merge(...array_map( fn($product) => array_merge(...array_map( fn($size) => array_merge(...array_map( fn($material) => array_map( fn($color) => implode('_', [$product, $size, $material, $color]), $colors ), $materials )), $availableSizes )), $products )) );
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.29, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
array ( 0 => 'canvas_8x10_matte_red', 1 => 'canvas_8x10_matte_white', 2 => 'canvas_8x10_matte_blue', 3 => 'canvas_8x10_luster_red', 4 => 'canvas_8x10_luster_white', 5 => 'canvas_8x10_luster_blue', 6 => 'canvas_10x10_matte_red', 7 => 'canvas_10x10_matte_white', 8 => 'canvas_10x10_matte_blue', 9 => 'canvas_10x10_luster_red', 10 => 'canvas_10x10_luster_white', 11 => 'canvas_10x10_luster_blue', 12 => 'canvas_12x12_matte_red', 13 => 'canvas_12x12_matte_white', 14 => 'canvas_12x12_matte_blue', 15 => 'canvas_12x12_luster_red', 16 => 'canvas_12x12_luster_white', 17 => 'canvas_12x12_luster_blue', )
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:
117.59 ms | 408 KiB | 5 Q