3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['s1','s2','s5','s1','s25','s1','s6','s6','s1'], 2 => ['a2','a1','a4'], [], [] ]; $result = []; foreach ($array as $subarray) { if ($subarray) { $result[] = implode(',', $subarray); } } echo implode(',', $result); echo "\n\n---\n\n"; array_walk_recursive( $array, function($v) { static $first; echo $first . $v; $first = ','; } ); echo "\n\n---\n\n"; echo implode( ',', preg_match_all( '/[a-z]\d+/', json_encode($array), $out ) ? $out[0] : [] ); echo "\n\n---\n\n"; echo implode( ',', preg_split( '/\W+/', json_encode(array_values($array)), 0, PREG_SPLIT_NO_EMPTY ) );

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.10.0080.00920.16
8.5.00.0050.00524.68
8.4.150.0020.00014.05
8.4.140.0100.01217.70
8.4.130.0120.00817.84
8.4.120.0150.00523.98
8.4.110.0070.00422.19
8.4.100.0120.00918.09
8.4.90.0130.00722.40
8.4.80.0120.00418.91
8.4.70.0110.00719.04
8.4.60.0100.01018.99
8.4.50.0140.00820.54
8.4.40.0180.00320.49
8.4.30.0090.00020.71
8.4.20.0070.01417.86
8.4.10.0120.00822.16
8.3.280.0140.00618.73
8.3.270.0120.00616.75
8.3.260.0130.00816.57
8.3.250.0110.00819.13
8.3.240.0120.00717.02
8.3.230.0110.00718.89
8.3.220.0100.00718.82
8.3.210.0070.01118.75
8.3.200.0050.00416.94
8.3.190.0130.00517.09
8.3.180.0080.01119.02
8.3.170.0100.01019.05
8.3.160.0060.01217.34
8.3.150.0150.00417.11
8.3.140.0060.00320.65
8.3.130.0080.00416.73
8.3.120.0040.00419.09
8.3.110.0130.00620.94
8.3.100.0040.00416.91
8.3.90.0040.00426.77
8.3.80.0090.00316.59
8.3.70.0040.01818.43
8.3.60.0100.00718.43
8.3.50.0090.00620.24
8.3.40.0070.00721.90
8.3.30.0030.01318.95
8.3.20.0040.00424.18
8.3.10.0060.00324.66
8.3.00.0150.00426.16
8.2.290.0080.00820.21
8.2.280.0120.00718.79
8.2.270.0100.01019.15
8.2.260.0030.01616.96
8.2.250.0150.00416.98
8.2.240.0140.00420.80
8.2.230.0030.00622.58
8.2.220.0030.00624.06
8.2.210.0040.00426.77
8.2.200.0060.00316.88
8.2.190.0130.00316.88
8.2.180.0130.00325.92
8.2.170.0130.00319.07
8.2.160.0140.00722.96
8.2.150.0120.00625.66
8.2.140.0050.00524.66
8.2.130.0030.00626.16
8.2.120.0040.00422.20
8.2.110.0060.00320.51
8.2.100.0060.00618.03
8.2.90.0090.00018.00
8.2.80.0080.00018.86
8.2.70.0040.00417.75
8.2.60.0030.00618.05
8.2.50.0040.00418.04
8.2.40.0080.00020.09
8.2.30.0000.00718.16
8.2.20.0030.00520.47
8.2.10.0080.00018.21
8.2.00.0000.01019.26
8.1.330.0130.00622.11
8.1.320.0130.00717.92
8.1.310.0070.01016.95
8.1.300.0040.00418.09
8.1.290.0050.00530.84
8.1.280.0070.01025.92
8.1.270.0030.00623.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00720.49
8.1.230.0090.00322.17
8.1.220.0040.00417.80
8.1.210.0000.00818.77
8.1.200.0090.00017.38
8.1.190.0030.00517.48
8.1.180.0040.00418.91
8.1.170.0000.00817.65
8.1.160.0050.00318.93
8.1.150.0050.00318.86
8.1.140.0000.00817.66
8.1.130.0040.00418.92
8.1.120.0030.00617.63
8.1.110.0030.00617.64
8.1.100.0030.00517.60
8.1.90.0080.00017.47
8.1.80.0080.00517.53
8.1.70.0110.00317.57
8.1.60.0090.00417.71
8.1.50.0110.00517.64
8.1.40.0120.00517.62
8.1.30.0080.00817.78
8.1.20.0090.00717.78
8.1.10.0160.00517.71
8.1.00.0150.00917.58
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0080.00018.38
8.0.270.0040.00416.96
8.0.260.0040.00418.47
8.0.250.0000.00817.06
8.0.240.0030.00617.06
8.0.230.0050.00216.96
8.0.220.0070.00016.93
8.0.210.0120.00417.00
8.0.200.0140.00316.99
8.0.190.0090.00417.06
8.0.180.0150.00216.95
8.0.170.0150.00116.93
8.0.160.0120.00617.03
8.0.150.0150.00216.94
8.0.140.0130.00316.92
8.0.130.0130.00516.90
8.0.120.0110.00716.93
8.0.110.0040.00917.01
8.0.100.0080.00817.00
8.0.90.0110.00616.98
8.0.80.0140.00417.01
8.0.70.0080.00616.96
8.0.60.0130.00316.95
8.0.50.0090.00717.05
8.0.30.0120.00517.00
8.0.20.0100.00517.03
8.0.10.0090.00917.13
7.4.330.0000.00815.55
7.4.320.0030.00316.86
7.4.300.0080.00116.80
7.4.290.0140.00316.70
7.4.280.0130.00516.67
7.4.270.0100.00916.74
7.4.260.0100.00616.67
7.4.250.0130.00616.64
7.4.240.0140.00316.62
7.4.230.0120.00616.68
7.4.220.0080.00916.81
7.4.210.0120.00216.80
7.4.200.0080.00616.69
7.4.190.0120.00316.79
7.4.180.0120.00316.83
7.4.160.0080.00616.74
7.4.150.0110.00316.70
7.4.140.0090.00516.57
7.4.130.0120.00116.67
7.4.120.0090.00516.61
7.4.110.0110.00416.62
7.4.100.0090.00416.73
7.4.90.0110.00216.67
7.4.80.0070.00616.66
7.4.70.0080.00616.55
7.4.60.0100.00316.72
7.4.50.0110.00216.61
7.4.40.0040.00916.63
7.4.30.0090.00516.74
7.4.20.0060.00716.67
7.4.10.0060.00716.63
7.4.00.0070.00716.70

preferences:
40.31 ms | 403 KiB | 5 Q