3v4l.org

run code in 300+ PHP versions simultaneously
<?php $txt = " First is ideographic space"; //$txt = preg_replace("/^ +/m", '', $txt); echo preg_replace("/^[^\S\r\n]+/m", '', $txt);

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)
8.4.140.0140.00817.68
8.4.130.0130.00717.97
8.4.120.0070.00424.21
8.4.110.0050.00322.52
8.4.100.0130.00818.53
8.4.90.0100.00318.82
8.4.80.0070.00118.83
8.4.70.0110.00917.80
8.4.60.0130.00820.38
8.4.50.0060.00717.96
8.4.40.0130.00719.62
8.4.30.0110.00920.24
8.4.20.0190.00420.53
8.4.10.0030.00619.80
8.3.270.0120.00716.43
8.3.260.0080.01216.58
8.3.250.0100.00818.79
8.3.240.0090.01017.29
8.3.230.0100.00916.54
8.3.220.0070.00318.76
8.3.210.0030.00616.79
8.3.200.0040.00416.61
8.3.190.0090.00916.91
8.3.180.0140.00616.54
8.3.170.0120.00616.83
8.3.160.0110.00718.65
8.3.150.0120.00616.66
8.3.140.0180.00017.28
8.3.130.0000.00818.35
8.3.120.0040.00420.60
8.3.110.0030.00620.94
8.3.100.0050.00516.67
8.3.90.0040.00426.77
8.3.80.0080.00317.97
8.3.70.0080.00816.75
8.3.60.0090.00618.56
8.3.50.0090.01016.66
8.3.40.0070.00718.97
8.3.30.0120.00319.02
8.3.20.0070.00021.85
8.3.10.0070.00020.15
8.3.00.0080.00021.89
8.2.290.0120.00620.66
8.2.280.0080.00418.44
8.2.270.0040.00417.26
8.2.260.0070.00016.81
8.2.250.0040.00416.61
8.2.240.0040.00418.86
8.2.230.0130.00322.58
8.2.220.0060.00324.06
8.2.210.0070.00726.77
8.2.200.0030.00616.88
8.2.190.0120.00316.88
8.2.180.0000.01518.67
8.2.170.0130.00722.96
8.2.160.0100.00720.35
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0050.00221.11
8.2.110.0070.00320.89
8.2.100.0110.00018.03
8.2.90.0040.00419.89
8.2.80.0040.00419.16
8.2.70.0060.00317.75
8.2.60.0080.00017.75
8.2.50.0000.00917.75
8.2.40.0080.00017.87
8.2.30.0000.00720.42
8.2.20.0070.00017.99
8.2.10.0040.00418.94
8.2.00.0000.00819.68
8.1.330.0110.00721.76
8.1.320.0110.00916.41
8.1.310.0060.01218.13
8.1.300.0030.00618.02
8.1.290.0050.00518.88
8.1.280.0070.00725.92
8.1.270.0050.00320.38
8.1.260.0060.00326.35
8.1.250.0030.00528.09
8.1.240.0060.00322.18
8.1.230.0040.00822.66
8.1.220.0040.00417.74
8.1.210.0050.00318.84
8.1.200.0000.00817.35
8.1.190.0040.00419.14
8.1.180.0040.00418.10
8.1.170.0060.00318.40
8.1.160.0040.00418.87
8.1.150.0000.00818.80
8.1.140.0080.00018.80
8.1.130.0030.00520.26
8.1.120.0000.00717.60
8.1.110.0000.00717.60
8.1.100.0000.00817.50
8.1.90.0070.00317.59
8.1.80.0000.00817.44
8.1.70.0000.00717.55
8.1.60.0040.00417.68
8.1.50.0040.00417.64
8.1.40.0040.00417.52
8.1.30.0040.00417.74
8.1.20.0090.00017.64
8.1.10.0080.00017.65
8.1.00.0040.00417.61
8.0.300.0020.00520.16
8.0.290.0050.00316.63
8.0.280.0040.00418.43
8.0.270.0030.00317.32
8.0.260.0030.00318.45
8.0.250.0040.00417.09
8.0.240.0000.00617.06
8.0.230.0080.00317.04
8.0.220.0030.00316.86
8.0.210.0030.00316.93
8.0.200.0040.00417.09
8.0.190.0000.00817.07
8.0.180.0080.00017.02
8.0.170.0060.00316.87
8.0.160.0000.00716.96
8.0.150.0030.00516.79
8.0.140.0000.00716.84
8.0.130.0000.00613.40
8.0.120.0050.00316.99
8.0.110.0040.00416.87
8.0.100.0050.00216.87
8.0.90.0050.00317.01
8.0.80.0110.00416.95
8.0.70.0020.00517.08
8.0.60.0000.00716.87
8.0.50.0000.00716.95
8.0.30.0100.00616.95
8.0.20.0150.00916.96
8.0.10.0070.00016.95
8.0.00.0120.00516.91
7.4.330.0000.00415.55
7.4.320.0040.00416.61
7.4.300.0070.00016.63
7.4.290.0040.00416.64
7.4.280.0040.00416.62
7.4.270.0030.00316.54
7.4.260.0030.00316.72
7.4.250.0000.00716.75
7.4.240.0040.00416.74
7.4.230.0000.00716.72
7.4.220.0000.00716.63
7.4.210.0080.00916.77
7.4.200.0070.00016.49
7.4.160.0080.01016.61
7.4.130.0140.00316.57
7.4.120.0070.01116.55
7.4.110.0040.01216.65
7.4.100.0030.01416.61
7.4.90.0100.00616.63
7.4.80.0070.01019.39
7.4.70.0100.01416.53
7.4.60.0070.01116.54
7.4.50.0060.01216.70
7.4.40.0140.00316.60
7.4.10.0070.00615.11
7.4.00.0140.00315.01
7.3.330.0000.00513.15
7.3.320.0060.00013.15
7.3.310.0000.00616.29
7.3.300.0030.00316.27
7.3.290.0000.00616.24
7.3.280.0140.00416.18
7.3.260.0110.00916.47
7.3.240.0070.01116.37
7.3.230.0190.00316.59
7.3.210.0100.00616.44
7.3.200.0070.01016.59
7.3.190.0160.00616.35
7.3.180.0060.00916.59
7.3.170.0060.01316.29
7.3.160.0080.01116.32
7.3.130.0040.01415.08
7.3.120.0090.00415.04
7.3.110.0060.01314.66
7.3.100.0100.00314.84
7.3.90.0000.01114.76
7.3.80.0060.00614.58
7.3.70.0030.01014.56
7.3.60.0060.00614.72
7.3.50.0070.00614.71
7.3.40.0100.00714.87
7.3.30.0080.00614.78
7.3.20.0070.00916.75
7.3.10.0110.00516.69
7.3.00.0030.00916.63
7.2.330.0110.00716.61
7.2.320.0110.00716.55
7.2.310.0130.00516.62
7.2.300.0060.01016.73
7.2.290.0120.00616.58
7.2.260.0110.00714.95
7.2.250.0070.01015.30
7.2.240.0110.00415.14
7.2.230.0030.01215.24
7.2.220.0090.00915.12
7.2.210.0040.00815.20
7.2.200.0080.00814.79
7.2.190.0110.00715.14
7.2.180.0060.01015.02
7.2.170.0070.00915.00
7.2.160.0050.00915.10
7.2.150.0150.00216.94
7.2.140.0030.00916.83
7.2.130.0040.01016.85
7.2.120.0110.00517.02
7.2.110.0080.00416.96
7.2.100.0050.00516.86
7.2.90.0050.00816.99
7.2.80.0100.00216.92
7.2.70.0090.00516.84
7.2.60.0060.00617.01
7.2.50.0090.00516.71
7.2.40.0050.00917.07
7.2.30.0060.01016.95
7.2.20.0050.00816.91
7.2.10.0060.00716.78
7.2.00.0070.01017.01
7.1.330.0000.01216.00
7.1.320.0060.00915.78
7.1.310.0060.00616.13
7.1.300.0100.00715.66
7.1.290.0040.00715.77
7.1.280.0030.01015.63
7.1.270.0060.01415.80
7.1.260.0080.00815.88
7.1.250.0070.00715.82
7.1.240.0030.00515.89
7.1.230.0040.01216.01
7.1.220.0030.01016.01
7.1.210.0080.00415.88
7.1.200.0000.01315.86
7.1.190.0050.00516.04
7.1.180.0030.00815.91
7.1.170.0120.00615.86
7.1.160.0000.01815.73
7.1.150.0070.01015.71
7.1.140.0000.01016.04
7.1.130.0090.00615.77
7.1.120.0060.00615.70
7.1.110.0040.01115.65
7.1.100.0060.00615.82
7.1.90.0030.01215.94
7.1.80.0060.00316.01
7.1.70.0070.01015.87
7.1.60.0040.00715.91
7.1.50.0030.00615.82
7.1.40.0000.01116.04
7.1.30.0000.01115.80
7.1.20.0070.00715.86
7.1.10.0000.01415.87
7.1.00.0120.00315.86

preferences:
30.39 ms | 403 KiB | 5 Q