3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str1 = "/stuf/stuff.png"; $str2 = "moar/moar.jpg"; var_dum(preg_replace('/^([^\/])/', '/', $str1)); var_dum(preg_replace('/^([^\/])/', '/', $str2));

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)
8.3.60.0180.00416.61
8.3.50.0110.00921.86
8.3.40.0090.00618.79
8.3.30.0120.00318.71
8.3.20.0040.00420.16
8.3.10.0080.00023.54
8.3.00.0080.00019.51
8.2.180.0070.01116.88
8.2.170.0120.00322.96
8.2.160.0100.00320.43
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0060.00317.75
8.2.120.0050.00226.35
8.2.110.0090.00020.39
8.2.100.0040.00717.80
8.2.90.0050.00319.15
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0080.00019.26
8.2.30.0030.00320.52
8.2.20.0090.00017.59
8.2.10.0000.00718.03
8.2.00.0040.00418.05
8.1.280.0100.00725.92
8.1.270.0000.01023.86
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00322.32
8.1.230.0080.00417.63
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0060.00317.35
8.1.190.0060.00317.10
8.1.180.0080.00018.10
8.1.170.0040.00418.69
8.1.160.0000.00722.02
8.1.150.0070.00018.70
8.1.140.0040.00419.38
8.1.130.0030.00517.63
8.1.120.0040.00417.36
8.1.110.0000.00717.42
8.1.100.0070.00017.45
8.1.90.0000.00817.41
8.1.80.0000.00717.27
8.1.70.0040.00417.25
8.1.60.0000.01017.51
8.1.50.0030.00517.51
8.1.40.0030.00617.46
8.1.30.0040.00417.48
8.1.20.0070.00017.50
8.1.10.0080.00017.44
8.1.00.0040.00417.54
8.0.300.0000.00818.77
8.0.290.0030.00316.75
8.0.280.0030.00318.37
8.0.270.0030.00317.18
8.0.260.0000.00617.18
8.0.250.0000.00716.95
8.0.240.0030.00317.00
8.0.230.0030.00316.82
8.0.220.0040.00416.90
8.0.210.0040.00416.90
8.0.200.0030.00316.98
8.0.190.0000.00816.96
8.0.180.0000.00816.87
8.0.170.0030.00516.95
8.0.160.0040.00416.82
8.0.150.0000.00816.76
8.0.140.0070.00016.85
8.0.130.0030.00313.39
8.0.120.0000.00816.71
8.0.110.0030.00516.86
8.0.100.0040.00416.68
8.0.90.0030.00316.76
8.0.80.0070.01416.95
8.0.70.0070.00016.79
8.0.60.0050.00216.75
8.0.50.0030.00616.83
8.0.30.0110.00917.00
8.0.20.0090.00917.40
8.0.10.0040.00417.01
8.0.00.0100.00816.68
7.4.330.0030.00315.08
7.4.320.0060.00016.52
7.4.300.0000.00616.53
7.4.290.0000.00716.61
7.4.280.0000.00816.39
7.4.270.0000.00716.52
7.4.260.0000.00716.53
7.4.250.0000.00816.57
7.4.240.0060.00216.51
7.4.230.0030.00316.52
7.4.220.0090.01616.44
7.4.210.0000.01416.50
7.4.200.0000.00716.55
7.4.160.0110.00416.66
7.4.150.0140.01917.40
7.4.140.0140.00617.86
7.4.130.0080.01016.51
7.4.120.0130.00516.47
7.4.110.0120.01216.43
7.4.100.0130.01016.54
7.4.90.0130.00316.59
7.4.80.0140.00719.39
7.4.70.0160.00016.35
7.4.60.0090.00616.59
7.4.50.0040.01116.29
7.4.40.0090.00916.66
7.4.30.0130.00316.49
7.4.00.0000.01815.05
7.3.330.0060.00013.14
7.3.320.0060.00013.09
7.3.310.0030.00516.11
7.3.300.0000.00716.25
7.3.290.0140.00416.26
7.3.280.0040.01216.25
7.3.270.0140.00417.40
7.3.260.0070.01016.31
7.3.250.0100.00716.32
7.3.240.0050.01316.18
7.3.230.0100.00716.39
7.3.210.0100.00616.25
7.3.200.0090.00616.28
7.3.190.0100.01016.14
7.3.180.0060.00916.43
7.3.170.0080.00816.43
7.3.160.0160.00616.44
7.2.330.0070.01116.59
7.2.320.0090.00916.19
7.2.310.0060.01216.49
7.2.300.0070.01016.56
7.2.290.0090.00916.30
7.2.60.0030.01316.58
7.2.00.0080.00319.34
7.1.200.0070.00315.75
7.1.100.0000.01118.14
7.1.70.0060.00617.00
7.1.60.0170.00719.12
7.1.50.0070.01316.53
7.1.00.0070.07022.46
7.0.200.0040.00416.68
7.0.60.0070.07720.01
7.0.50.0070.06317.90
7.0.40.0130.03320.16
7.0.30.0200.04320.17
7.0.20.0370.07720.09
7.0.10.0030.04320.16
7.0.00.0100.03720.30
5.6.280.0000.06721.02
5.6.210.0070.04020.45
5.6.200.0100.06718.18
5.6.190.0100.08720.57
5.6.180.0400.04020.43
5.6.170.0200.06720.66
5.6.160.0170.07720.48
5.6.150.0070.07718.21
5.6.140.0070.04318.17
5.6.130.0030.05318.11
5.6.120.0300.04721.10
5.6.110.0130.06021.06
5.6.100.0170.04721.10
5.6.90.0000.05321.09
5.6.80.0100.07720.48
5.5.350.3400.04720.43
5.5.340.0030.06017.92
5.5.330.0070.08720.19
5.5.320.0030.06320.41
5.5.310.0270.08320.31
5.5.300.0130.07317.91
5.5.290.0100.07717.96
5.5.280.0030.08720.84
5.5.270.0170.04720.79
5.5.260.0130.07020.79
5.5.250.0130.06320.68
5.5.240.0600.05720.27

preferences:
51.7 ms | 401 KiB | 5 Q