3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'Site'; echo preg_replace('#(.*)(\\\\)?([^\\\\]+)?#', '$1', $string);

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)
8.3.60.0120.00418.43
8.3.50.0130.00521.27
8.3.40.0070.01119.09
8.3.30.0110.00420.38
8.3.20.0040.00420.31
8.3.10.0050.00321.09
8.3.00.0050.00322.44
8.2.180.0100.01017.00
8.2.170.0120.00322.96
8.2.160.0140.00022.25
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00021.12
8.2.110.0040.00720.53
8.2.100.0040.00717.84
8.2.90.0030.00519.26
8.2.80.0000.00719.21
8.2.70.0030.00517.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0000.00918.09
8.2.30.0050.00219.34
8.2.20.0060.00317.73
8.2.10.0040.00417.75
8.2.00.0070.00017.89
8.1.280.0170.00325.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00322.51
8.1.230.0110.00021.03
8.1.220.0030.00618.77
8.1.210.0000.00918.77
8.1.200.0060.00317.35
8.1.190.0080.00017.52
8.1.180.0000.00818.10
8.1.170.0040.00418.71
8.1.160.0040.00418.91
8.1.150.0000.00718.69
8.1.140.0000.00817.59
8.1.130.0000.00717.91
8.1.120.0030.00517.57
8.1.110.0080.00017.54
8.1.100.0000.00717.44
8.1.90.0000.00717.54
8.1.80.0070.00017.40
8.1.70.0040.00417.44
8.1.60.0060.00317.71
8.1.50.0030.00617.49
8.1.40.0030.00617.55
8.1.30.0030.00517.78
8.1.20.0000.00817.79
8.1.10.0000.00817.68
8.1.00.0030.00517.46
8.0.300.0040.00419.98
8.0.290.0040.00417.05
8.0.280.0000.00818.40
8.0.270.0040.00417.28
8.0.260.0030.00317.04
8.0.250.0000.00717.05
8.0.240.0080.00017.13
8.0.230.0030.00416.99
8.0.220.0000.00717.06
8.0.210.0030.00316.97
8.0.200.0000.00617.13
8.0.190.0040.00417.06
8.0.180.0040.00417.04
8.0.170.0000.00816.99
8.0.160.0040.00417.00
8.0.150.0000.00716.93
8.0.140.0000.00916.87
8.0.130.0000.00613.49
8.0.120.0040.00416.86
8.0.110.0000.00717.08
8.0.100.0070.00016.88
8.0.90.0080.00017.03
8.0.80.0060.00917.07
8.0.70.0000.00816.99
8.0.60.0000.00717.03
8.0.50.0000.00716.99
8.0.30.0080.01117.10
8.0.20.0120.00717.40
8.0.10.0000.00716.98
8.0.00.0100.01116.83
7.4.330.0020.00216.73
7.4.320.0060.00016.65
7.4.300.0030.00316.64
7.4.290.0030.00316.59
7.4.280.0000.00716.69
7.4.270.0070.00016.74
7.4.260.0000.00713.42
7.4.250.0070.00016.58
7.4.240.0030.00516.76
7.4.230.0040.00416.84
7.4.220.0090.00916.85
7.4.210.0070.00716.79
7.4.200.0000.00716.64
7.4.190.0030.00316.83
7.4.160.0110.00516.59
7.4.150.0090.00917.40
7.4.140.0140.00317.86
7.4.130.0050.01216.74
7.4.120.0100.00716.66
7.4.110.0030.01416.67
7.4.100.0140.00316.65
7.4.90.0090.00916.63
7.4.80.0110.00719.39
7.4.70.0160.00616.67
7.4.60.0100.00716.46
7.4.50.0000.00516.57
7.4.40.0070.00722.77
7.4.30.0030.01316.74
7.4.00.0090.00615.28
7.3.330.0000.00513.17
7.3.320.0050.00013.02
7.3.310.0070.00016.49
7.3.300.0040.00416.38
7.3.290.0030.01016.41
7.3.280.0110.00716.34
7.3.270.0030.01317.40
7.3.260.0120.00618.24
7.3.250.0120.00916.45
7.3.240.0070.01016.37
7.3.230.0110.00516.73
7.3.210.0060.01216.82
7.3.200.0150.00719.39
7.3.190.0130.01016.42
7.3.180.0090.00616.45
7.3.170.0090.00616.56
7.3.160.0000.01616.65
7.3.120.0060.00915.05
7.2.330.0150.00316.59
7.2.320.0060.01616.68
7.2.310.0040.01916.45
7.2.300.0140.00716.71
7.2.290.0000.01616.75
7.1.100.0000.00918.19
7.1.70.0080.00817.20
7.1.60.0080.01519.17
7.1.50.0000.02317.27
7.1.00.0030.03322.36
7.0.200.0290.00015.11
7.0.140.0000.07722.11
7.0.70.0030.06021.69
7.0.60.0030.06021.61
7.0.50.0100.07322.09
7.0.40.0030.09019.97
7.0.30.0130.07720.07
7.0.20.0030.04320.14
7.0.10.0070.06319.94
7.0.00.0100.07720.16
5.6.280.0030.07021.01
5.6.220.0100.06720.61
5.6.210.0000.08320.63
5.6.200.0030.07720.93
5.6.190.0100.07320.98
5.6.180.0030.07321.00
5.6.170.0030.08320.92
5.6.160.0030.03721.03
5.6.150.0000.08021.00
5.6.140.0070.08021.11
5.6.130.0030.04321.11
5.6.120.0100.05720.94
5.6.110.0000.08320.97
5.6.100.0070.07021.00
5.6.90.0030.06721.01
5.6.80.0000.04020.32
5.6.70.0000.03320.43
5.6.60.0000.04020.30
5.6.50.0030.03720.45
5.6.40.0030.03020.33
5.6.30.0000.03320.40
5.6.20.0000.03720.30
5.6.10.0070.04020.50
5.6.00.0000.04320.34
5.5.360.0000.07020.30
5.5.350.0000.07020.33
5.5.340.0030.06720.85
5.5.330.0070.07720.84
5.5.320.0030.07020.87
5.5.310.0000.05720.86
5.5.300.0070.05020.74
5.5.290.0070.04020.84
5.5.280.0000.04320.86
5.5.270.0070.07320.84
5.5.260.0000.08720.73
5.5.250.0100.04020.72
5.5.240.0000.04320.00
5.5.230.0000.04019.96
5.5.220.0030.03720.26
5.5.210.0000.04020.19
5.5.200.0070.02720.26
5.5.190.0100.02720.21
5.5.180.0000.03320.19
5.5.160.0000.03320.25
5.5.150.0030.03320.25
5.5.140.0000.03320.23
5.5.130.0000.08320.19
5.5.120.0000.05720.15
5.5.110.0030.04020.21
5.5.100.0000.03320.14
5.5.90.0030.03020.04
5.5.80.0070.03719.94
5.5.70.0000.04320.06
5.5.60.0070.02720.05
5.5.50.0030.03020.00
5.5.40.0030.03020.08
5.5.30.0030.03020.07
5.5.20.0030.03020.05
5.5.10.0000.03320.02
5.5.00.0000.03319.95
5.4.450.0030.05719.37
5.4.440.0030.08019.28
5.4.430.0100.06719.27
5.4.420.0000.06719.43
5.4.410.0000.08319.32
5.4.400.0030.03319.21
5.4.390.0030.03719.11
5.4.380.0000.03718.80
5.4.370.0030.02719.12
5.4.360.0030.03018.89
5.4.350.0000.03318.93
5.4.340.0000.03719.08
5.4.320.0000.03319.04
5.4.310.0000.04318.77
5.4.300.0000.04019.20
5.4.290.0070.02719.04
5.4.280.0000.03718.93
5.4.270.0000.03319.03
5.4.260.0000.04719.04
5.4.250.0000.04019.01
5.4.240.0000.03019.05
5.4.230.0000.03019.09
5.4.220.0030.03019.07
5.4.210.0000.03318.79
5.4.200.0030.03319.01
5.4.190.0000.03019.05
5.4.180.0000.03718.75
5.4.170.0030.02719.10
5.4.160.0000.03018.98
5.4.150.0030.03719.04
5.4.140.0000.03716.30
5.4.130.0030.03316.26
5.4.120.0000.03016.29
5.4.110.0000.03016.41
5.4.100.0000.03016.41
5.4.90.0000.03716.43
5.4.80.0030.02716.28
5.4.70.0000.03016.35
5.4.60.0000.04016.23
5.4.50.0030.06016.27
5.4.40.0030.07716.35
5.4.30.0030.07016.28
5.4.20.0100.06316.18
5.4.10.0030.07716.28
5.4.00.0070.06715.65
5.3.290.0030.03014.61
5.3.280.0000.03014.45
5.3.270.0070.02714.59
5.3.260.0000.03314.43
5.3.250.0000.03014.58
5.3.240.0000.03014.61
5.3.230.0000.03714.54
5.3.220.0000.03014.42
5.3.210.0000.04714.54
5.3.200.0000.03314.53
5.3.190.0030.02714.51
5.3.180.0000.03014.55
5.3.170.0000.03314.52
5.3.160.0030.06714.51
5.3.150.0000.07714.50
5.3.140.0030.06714.39
5.3.130.0030.06314.50
5.3.120.0000.06314.36
5.3.110.0070.07714.40
5.3.100.0030.06314.01
5.3.90.0070.07013.99
5.3.80.0000.05014.00
5.3.70.0030.07314.02
5.3.60.0030.05713.96
5.3.50.0000.06013.88
5.3.40.0030.07713.80
5.3.30.0070.07013.81
5.3.20.0100.06013.62
5.3.10.0000.06313.64
5.3.00.0070.06013.61
5.2.170.0030.06011.35
5.2.160.0030.05311.35
5.2.150.0070.06011.35
5.2.140.0070.05311.35
5.2.130.0000.06311.35
5.2.120.0030.04711.35
5.2.110.0030.03311.35
5.2.100.0000.05711.35
5.2.90.0030.05311.35
5.2.80.0000.06711.35
5.2.70.0000.06711.35
5.2.60.0070.06011.35
5.2.50.0030.05711.35
5.2.40.0030.04711.35
5.2.30.0030.05711.35
5.2.20.0030.05011.35
5.2.10.0000.03711.35
5.2.00.0030.02711.35
5.1.60.0070.03011.35
5.1.50.0000.03011.35
5.1.40.0030.02311.35
5.1.30.0000.05711.35
5.1.20.0000.03711.35
5.1.10.0000.02711.35
5.1.00.0030.02311.35
5.0.50.0000.01711.35
5.0.40.0030.03011.35
5.0.30.0070.04711.35
5.0.20.0030.04011.35
5.0.10.0000.04711.35
5.0.00.0000.06011.35
4.4.90.0000.03711.35
4.4.80.0000.03711.35
4.4.70.0000.02311.35
4.4.60.0000.03311.35
4.4.50.0000.01311.35
4.4.40.0000.02711.35
4.4.30.0000.01711.35
4.4.20.0030.01711.35
4.4.10.0000.01311.35
4.4.00.0000.03711.35
4.3.110.0000.03711.35
4.3.100.0030.02711.35
4.3.90.0030.03311.35
4.3.80.0000.05011.35
4.3.70.0000.03711.35
4.3.60.0030.02711.35
4.3.50.0070.02711.35
4.3.40.0030.02711.35
4.3.30.0000.03311.35
4.3.20.0030.03011.35
4.3.10.0000.03011.35
4.3.00.0000.03711.35

preferences:
54.25 ms | 401 KiB | 5 Q