3v4l.org

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

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)
8.3.60.0150.00618.53
8.3.50.0140.01021.27
8.3.40.0100.01018.91
8.3.30.0070.01020.34
8.3.20.0040.00420.32
8.3.10.0080.00020.96
8.3.00.0040.00422.14
8.2.180.0180.00016.50
8.2.170.0070.00722.96
8.2.160.0070.00722.20
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.75
8.2.110.0060.00321.13
8.2.100.0110.00017.75
8.2.90.0000.00819.16
8.2.80.0030.00619.39
8.2.70.0030.00617.75
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0100.00018.21
8.2.30.0000.00719.52
8.2.20.0040.00417.86
8.2.10.0040.00417.70
8.2.00.0040.00417.78
8.1.280.0070.00725.92
8.1.270.0070.00023.99
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00321.82
8.1.230.0080.00420.91
8.1.220.0040.00418.83
8.1.210.0000.00818.77
8.1.200.0060.00317.11
8.1.190.0030.00617.30
8.1.180.0030.00518.10
8.1.170.0080.00018.82
8.1.160.0040.00418.82
8.1.150.0050.00218.75
8.1.140.0050.00217.57
8.1.130.0000.00717.86
8.1.120.0000.00717.62
8.1.110.0000.00717.56
8.1.100.0040.00417.51
8.1.90.0030.00417.61
8.1.80.0030.00317.64
8.1.70.0070.00017.63
8.1.60.0080.00017.80
8.1.50.0030.00617.69
8.1.40.0030.00617.56
8.1.30.0000.00817.71
8.1.20.0050.00317.79
8.1.10.0000.00817.67
8.1.00.0070.00017.68
8.0.300.0080.00018.77
8.0.290.0030.00617.05
8.0.280.0030.00318.47
8.0.270.0000.00717.33
8.0.260.0030.00317.00
8.0.250.0070.00017.17
8.0.240.0040.00416.96
8.0.230.0000.00717.03
8.0.220.0040.00417.03
8.0.210.0030.00317.07
8.0.200.0030.00317.09
8.0.190.0040.00417.13
8.0.180.0000.00717.11
8.0.170.0050.00317.01
8.0.160.0070.00016.98
8.0.150.0040.00416.96
8.0.140.0060.00317.00
8.0.130.0060.00013.47
8.0.120.0060.00317.04
8.0.110.0040.00417.09
8.0.100.0060.00317.10
8.0.90.0040.00417.08
8.0.80.0080.00617.02
8.0.70.0000.00717.00
8.0.60.0050.00317.01
8.0.50.0000.00716.97
8.0.30.0070.01117.23
8.0.20.0110.00717.40
8.0.10.0040.00416.93
8.0.00.0100.00816.82
7.4.330.0000.00516.72
7.4.320.0060.00016.76
7.4.300.0030.00316.62
7.4.290.0000.00816.71
7.4.280.0030.00316.64
7.4.270.0000.00816.65
7.4.260.0000.00613.46
7.4.250.0000.00716.70
7.4.240.0020.00616.70
7.4.230.0030.00316.63
7.4.220.0130.01016.70
7.4.210.0070.00816.65
7.4.200.0030.00316.68
7.4.190.0030.00316.80
7.4.160.0080.00816.67
7.4.150.0060.01217.40
7.4.140.0090.01217.86
7.4.130.0100.00716.58
7.4.120.0130.00716.64
7.4.110.0100.00716.74
7.4.100.0160.00816.56
7.4.90.0100.00716.48
7.4.80.0130.00619.39
7.4.70.0070.01116.95
7.4.60.0090.01516.73
7.4.50.0000.00716.66
7.4.40.0090.00522.77
7.4.30.0100.01016.84
7.4.00.0070.00315.04
7.3.330.0000.00513.34
7.3.320.0000.00513.17
7.3.310.0050.00216.18
7.3.300.0000.00716.38
7.3.290.0130.00416.26
7.3.280.0080.00916.36
7.3.270.0070.01117.40
7.3.260.0080.00918.24
7.3.250.0130.00316.65
7.3.240.0100.00616.75
7.3.230.0030.01316.39
7.3.210.0080.00816.28
7.3.200.0140.01019.39
7.3.190.0070.01516.74
7.3.180.0110.00516.30
7.3.170.0120.00316.29
7.3.160.0100.00616.63
7.3.120.0090.00915.23
7.3.110.0070.00714.66
7.3.100.0060.01014.91
7.3.90.0000.01514.91
7.3.80.0060.00614.62
7.3.70.0070.00315.04
7.3.60.0000.01414.76
7.3.50.0060.00914.75
7.3.40.0110.00314.69
7.3.30.0160.00015.00
7.3.20.0040.01416.73
7.3.10.0080.00816.70
7.3.00.0120.00316.90
7.2.330.0060.01216.75
7.2.320.0160.00616.48
7.2.310.0090.01216.79
7.2.300.0120.00616.47
7.2.290.0030.01316.56
7.2.240.0040.01114.93
7.2.230.0120.00315.36
7.2.220.0030.01015.15
7.2.210.0080.00815.10
7.2.200.0100.00714.84
7.2.190.0130.00015.03
7.2.180.0090.00615.09
7.2.170.0060.00914.89
7.2.160.0080.00414.80
7.2.150.0110.00416.75
7.2.140.0030.01216.66
7.2.130.0030.01416.82
7.2.120.0060.01216.79
7.2.110.0090.00617.02
7.2.100.0070.00717.06
7.2.90.0070.01016.96
7.2.80.0090.00916.93
7.2.70.0030.01217.03
7.2.60.0090.00617.02
7.2.50.0000.01217.01
7.2.40.0030.01416.93
7.2.30.0000.01717.07
7.2.20.0080.00416.94
7.2.10.0030.01016.98
7.2.00.0060.01018.11
7.1.330.0070.00315.87
7.1.320.0150.00016.13
7.1.310.0000.00915.89
7.1.300.0070.00315.84
7.1.290.0030.01015.97
7.1.280.0090.00616.02
7.1.270.0030.00915.75
7.1.260.0110.00315.73
7.1.250.0100.00315.81
7.1.100.0030.01018.49
7.1.70.0030.00716.94
7.1.60.0070.01419.17
7.1.50.0050.00517.04
7.1.00.0000.03722.36
7.0.200.0190.00614.79
7.0.140.0100.06721.98
7.0.110.0100.06019.95
7.0.100.0000.08320.05
7.0.90.0100.07319.94
7.0.80.0030.04719.92
7.0.70.0070.07720.07
7.0.60.0070.04019.94
7.0.50.0070.06319.95
7.0.40.0100.07719.79
7.0.30.0130.07319.65
7.0.20.0030.06319.77
7.0.10.0130.07319.69
7.0.00.0030.08019.65
5.6.280.0000.07721.14
5.6.260.0030.05020.89
5.6.250.0130.07320.69
5.6.240.0130.07020.48
5.6.230.0170.07720.68
5.6.220.0070.08020.67
5.6.210.0070.08020.73
5.6.200.0100.06720.46
5.6.190.0170.07320.46
5.6.180.0200.06320.64
5.6.170.0130.07020.61
5.6.160.0100.06320.60
5.6.150.0070.07720.68
5.6.140.0130.07320.61
5.6.130.0130.07020.55
5.6.120.0170.07320.62
5.6.110.0030.04320.69
5.6.100.0030.08320.57
5.6.90.0000.06320.66
5.6.80.0070.06320.08
5.6.70.0070.04319.93
5.6.60.0000.05319.89
5.6.50.0070.04319.94
5.6.40.0030.03719.99
5.6.30.0030.04319.99
5.6.20.0030.03319.94
5.6.10.0100.03019.98
5.6.00.0030.07319.97
5.5.380.0100.04717.52
5.5.370.0030.08017.54
5.5.360.0070.08017.61
5.5.350.0100.07017.43
5.5.340.0070.05717.85
5.5.330.0070.06718.25
5.5.320.0070.07718.11
5.5.310.0000.08018.10
5.5.300.0070.06018.02
5.5.290.0100.06318.25
5.5.280.0070.08317.86
5.5.270.0030.08317.76
5.5.260.0030.07318.00
5.5.250.0070.05717.97
5.5.240.0030.03717.25
5.5.230.0030.03717.23
5.5.220.0000.04017.22
5.5.210.0100.03017.54
5.5.200.0000.04017.45
5.5.190.0000.04317.51
5.5.180.0070.04317.47
5.5.160.0170.02017.19
5.5.150.0030.07317.48
5.5.140.0070.05717.47
5.5.130.0070.06317.21
5.5.120.0100.07717.36
5.5.110.0070.07717.11
5.5.100.0070.06717.35
5.5.90.0000.07717.37
5.5.80.0100.07317.35
5.5.70.0070.03317.49
5.5.60.0030.03717.00
5.5.50.0130.04317.36
5.5.40.0100.07017.50
5.5.30.0030.07317.39
5.5.20.0130.06017.23
5.5.10.0100.04717.33
5.5.00.0070.03317.33
5.4.450.0070.07719.45
5.4.440.0070.08019.28
5.4.430.0100.05019.28
5.4.420.0170.06719.35
5.4.410.0000.04019.36
5.4.400.0100.04719.18
5.4.390.0000.08718.96
5.4.380.0100.07719.07
5.4.370.0000.05318.98
5.4.360.0000.04019.08
5.4.350.0030.04019.28
5.4.340.0000.03319.16
5.4.320.0070.07719.13
5.4.310.0070.05319.03
5.4.300.0000.04719.27
5.4.290.0130.06719.09
5.4.280.0030.04018.95
5.4.270.0000.04019.09
5.4.260.0070.06319.09
5.4.250.0000.03719.07
5.4.240.0070.07019.04
5.4.230.0030.06019.11
5.4.220.0070.07019.16
5.4.210.0030.03318.95
5.4.200.0000.07719.26
5.4.190.0000.03719.02
5.4.180.0030.04018.99
5.4.170.0070.03318.97
5.4.160.0030.05718.98
5.4.150.0070.07718.93
5.4.140.0000.04716.25
5.4.130.0030.08716.25
5.4.120.0030.05716.48
5.4.110.0030.03316.40
5.4.100.0130.06016.51
5.4.90.0070.06316.23
5.4.80.0070.07316.29
5.4.70.0100.06316.48
5.4.60.0130.06016.39
5.4.50.0030.03716.50
5.4.40.0070.07316.53
5.4.30.0030.07016.38
5.4.20.0100.06016.43
5.4.10.0070.03016.43
5.4.00.0000.07315.91
5.3.290.0030.03314.67
5.3.280.0030.07714.44
5.3.270.0030.07714.62
5.3.260.0070.06314.54
5.3.250.0030.03314.54
5.3.240.0100.06314.63
5.3.230.0100.05314.52
5.3.220.0100.05714.57
5.3.210.0100.05014.66
5.3.200.0030.04014.58
5.3.190.0000.07014.58
5.3.180.0170.06314.57
5.3.170.0070.03314.45
5.3.160.0100.04714.57
5.3.150.0070.06314.45
5.3.140.0070.08014.49
5.3.130.0030.04714.43
5.3.120.0100.06314.45
5.3.110.0070.07714.52
5.3.100.0070.06313.89
5.3.90.0000.07314.08
5.3.80.0000.03714.11
5.3.70.0070.03014.07
5.3.60.0000.03714.02
5.3.50.0070.03013.83
5.3.40.0030.04713.82
5.3.30.0000.03713.80
5.3.20.0030.04013.79
5.3.10.0070.04013.59
5.3.00.0100.03013.65
5.2.170.0100.02012.21
5.2.160.0070.02012.21
5.2.150.0070.02312.21
5.2.140.0030.03712.21
5.2.130.0030.02712.21
5.2.120.0070.03312.21
5.2.110.0070.03712.21
5.2.100.0030.02312.21
5.2.90.0070.02712.21
5.2.80.0000.03312.21
5.2.70.0070.03012.21
5.2.60.0030.02712.21
5.2.50.0000.03712.21
5.2.40.0000.03012.21
5.2.30.0030.02712.21
5.2.20.0000.02712.21
5.2.10.0030.06712.21
5.2.00.0030.02312.21
5.1.60.0030.02312.21
5.1.50.0030.01712.21
5.1.40.0000.03012.21
5.1.30.0000.02312.21
5.1.20.0000.02312.21
5.1.10.0000.02712.21
5.1.00.0000.03012.21
5.0.50.0000.02312.21
5.0.40.0000.02712.21
5.0.30.0030.02312.21
5.0.20.0000.02012.21
5.0.10.0000.02312.21
5.0.00.0100.02312.21
4.4.90.0030.01312.21
4.4.80.0000.02312.21
4.4.70.0030.01012.21
4.4.60.0030.01312.21
4.4.50.0000.01712.21
4.4.40.0000.02012.21
4.4.30.0030.01712.21
4.4.20.0030.01012.21
4.4.10.0070.00712.21
4.4.00.0000.02312.21
4.3.110.0000.01712.21
4.3.100.0030.01012.21
4.3.90.0000.01312.21
4.3.80.0000.02312.21
4.3.70.0000.01312.21
4.3.60.0000.01312.21
4.3.50.0030.01312.21
4.3.40.0000.02012.21
4.3.30.0030.01312.21
4.3.20.0000.01312.21
4.3.10.0000.01312.21
4.3.00.0000.01712.21

preferences:
44.59 ms | 401 KiB | 5 Q