3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'red', ' ', 'blue', ' ', '', 'green ', ' ', 'white', ' ', 'black', ' ', ]; var_export(array_filter($array, fn($v) => !ctype_space($v))); echo "\n---\n"; var_export(preg_grep('/^\s+$/', $array, PREG_GREP_INVERT));

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)
8.5.30.0120.00619.52
8.5.20.0110.00720.09
8.5.10.0100.00816.98
8.5.00.0130.00820.31
8.4.180.0070.00523.82
8.4.170.0130.01120.26
8.4.160.0140.00822.27
8.4.150.0070.00516.84
8.4.140.0110.00917.77
8.4.130.0110.00917.90
8.4.120.0100.01020.70
8.4.110.0120.00820.32
8.4.100.0100.00817.98
8.4.90.0100.01018.59
8.4.80.0060.00318.15
8.4.70.0090.00617.96
8.4.60.0120.00918.65
8.4.50.0130.00719.52
8.4.40.0100.01017.86
8.4.30.0050.00318.68
8.4.20.0130.00619.55
8.4.10.0000.00919.86
8.3.300.0110.01020.78
8.3.290.0100.01020.82
8.3.280.0110.00818.61
8.3.270.0100.01016.59
8.3.260.0120.00716.63
8.3.250.0120.00719.11
8.3.240.0120.00616.70
8.3.230.0100.01016.36
8.3.220.0110.00817.29
8.3.210.0140.00616.93
8.3.200.0150.00616.66
8.3.190.0140.00516.93
8.3.180.0110.00716.66
8.3.170.0040.01419.00
8.3.160.0070.00316.57
8.3.150.0090.00920.74
8.3.140.0030.00716.59
8.3.130.0070.00318.34
8.3.120.0040.00418.79
8.3.110.0040.00420.94
8.3.100.0080.00024.06
8.3.90.0110.00426.77
8.3.80.0030.00619.36
8.3.70.0120.00618.52
8.3.60.0130.01018.51
8.3.50.0040.01116.85
8.3.40.0160.00320.46
8.3.30.0100.00319.34
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0070.00026.16
8.2.300.0100.01122.13
8.2.290.0130.00520.50
8.2.280.0110.00618.23
8.2.270.0040.01416.93
8.2.260.0110.00420.38
8.2.250.0110.00716.42
8.2.240.0060.00317.30
8.2.230.0060.00322.58
8.2.220.0060.00337.54
8.2.210.0040.00426.77
8.2.200.0120.00318.88
8.2.190.0170.00316.58
8.2.180.0180.00316.75
8.2.170.0090.01218.95
8.2.160.0090.00622.96
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0060.00319.80
8.2.110.0070.01722.07
8.2.100.0190.00320.75
8.2.90.0100.01019.09
8.2.80.0130.01018.85
8.2.70.0040.01518.89
8.2.60.0040.01818.86
8.2.50.0120.00919.03
8.2.40.0130.01018.93
8.2.30.0150.00918.83
8.2.20.0110.01118.87
8.2.10.0160.00718.96
8.2.00.0070.01518.99
8.1.340.0140.00717.82
8.1.330.0140.00422.02
8.1.320.0090.01116.36
8.1.310.0160.00316.99
8.1.300.0120.00318.38
8.1.290.0060.00330.84
8.1.280.0070.01025.92
8.1.270.0050.00324.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0140.00718.70
8.1.230.0220.00018.80
8.1.220.0100.01318.74
8.1.210.0070.01020.13
8.1.200.0150.00418.63
8.1.190.0130.01018.73
8.1.180.0090.00918.77
8.1.170.0150.00018.66
8.1.160.0000.00918.77
8.1.150.0150.00718.80
8.1.140.0110.00018.61
8.1.130.0070.01018.70
8.1.120.0060.00918.81
8.1.110.0120.00918.82
8.1.100.0060.00318.68
8.1.90.0000.00918.76
8.1.80.0090.00018.67
8.1.70.0030.00718.88
8.1.60.0100.00018.80
8.1.50.0000.00918.67
8.1.40.0050.00518.76
8.1.30.0070.00319.00
8.1.20.0170.00018.70
8.1.10.0070.00318.79
8.1.00.0060.00318.62
8.0.300.0050.00517.86
8.0.290.0060.00318.14
8.0.280.0060.00318.00
8.0.270.0060.00318.07
8.0.260.0030.00618.07
8.0.250.0060.00318.14
8.0.240.0090.00018.07
8.0.230.0030.00618.43
8.0.220.0100.00017.87
8.0.210.0000.01017.90
8.0.200.0030.00718.00
8.0.190.0150.00717.96
8.0.180.0130.00617.99
8.0.170.0090.00018.01
8.0.160.0040.00717.88
8.0.150.0100.00017.86
8.0.140.0060.00317.92
8.0.130.0070.00317.93
8.0.120.0100.00018.05
8.0.110.0050.00518.07
8.0.100.0090.00017.88
8.0.90.0100.00018.00
8.0.80.0090.00017.88
8.0.70.0030.00617.96
8.0.60.0060.00317.96
8.0.50.0030.00617.96
8.0.30.0040.00417.99
8.0.20.0030.00618.13
8.0.10.0060.00318.13

preferences:
49.95 ms | 1136 KiB | 5 Q