3v4l.org

run code in 500+ PHP versions simultaneously
<?php $file = '/css/base.css'; $mtime = 1221534296; echo "Yours: " , preg_replace('{\\.([^./]+)$}', ".$mtime.\$1", $file); echo "\n---\nMine: " , preg_replace('~(?=[^./]+$)~', "$mtime.", $file, 1); echo "\n---\nOr: " , preg_replace('~\.\K(?=[^./]+$)~', "$mtime.", $file); echo "\n---\nOr: " , preg_replace('~(?=\.[^./]+$)~', ".$mtime", $file);

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)
8.5.30.0070.01219.24
8.5.20.0090.00819.48
8.5.10.0080.00919.59
8.5.00.0150.00820.17
8.4.180.0130.01219.78
8.4.170.0140.00823.87
8.4.160.0160.01023.93
8.4.150.0070.00516.96
8.4.140.0110.00917.79
8.4.130.0050.00417.81
8.4.120.0120.00820.51
8.4.110.0110.01022.52
8.4.100.0130.00817.77
8.4.90.0110.00718.61
8.4.80.0070.00517.76
8.4.70.0070.00317.95
8.4.60.0080.01018.39
8.4.50.0110.00819.64
8.4.40.0160.00619.51
8.4.30.0060.01320.50
8.4.20.0090.00319.84
8.4.10.0060.00319.79
8.3.300.0190.00620.97
8.3.290.0150.00618.74
8.3.280.0140.00718.60
8.3.270.0110.00917.04
8.3.260.0070.00116.78
8.3.250.0100.00918.96
8.3.240.0130.00616.70
8.3.230.0120.00716.63
8.3.220.0110.00817.25
8.3.210.0060.00216.95
8.3.200.0050.00316.66
8.3.190.0130.00617.13
8.3.180.0130.00616.93
8.3.170.0120.00617.23
8.3.160.0110.00418.38
8.3.150.0040.01218.56
8.3.140.0050.00317.06
8.3.130.0040.00418.40
8.3.120.0080.00020.50
8.3.110.0150.00420.94
8.3.100.0060.00324.06
8.3.90.0090.00626.77
8.3.80.0040.00417.97
8.3.70.0110.00716.63
8.3.60.0070.01418.27
8.3.50.0050.00924.44
8.3.40.0060.00918.85
8.3.30.0110.00418.75
8.3.20.0050.00320.73
8.3.10.0050.00320.20
8.3.00.0040.00420.73
8.2.300.0140.00918.19
8.2.290.0130.00720.21
8.2.280.0110.00718.57
8.2.270.0040.01417.06
8.2.260.0090.00616.52
8.2.250.0030.00516.66
8.2.240.0060.00317.38
8.2.230.0060.00922.58
8.2.220.0000.01137.54
8.2.210.0100.01026.77
8.2.200.0060.00318.25
8.2.190.0120.00316.88
8.2.180.0120.01216.63
8.2.170.0090.00622.96
8.2.160.0110.00322.25
8.2.150.0060.00324.18
8.2.140.0060.00624.66
8.2.130.0070.00026.16
8.2.120.0080.00026.16
8.2.110.0070.00322.24
8.2.100.0130.00417.93
8.2.90.0060.00319.05
8.2.80.0070.00417.97
8.2.70.0030.00617.63
8.2.60.0050.00318.04
8.2.50.0040.00718.07
8.2.40.0030.00618.16
8.2.30.0040.00418.19
8.2.20.0000.00718.14
8.2.10.0000.00719.19
8.2.00.0050.00319.25
8.1.340.0110.00919.54
8.1.330.0150.00421.91
8.1.320.0080.01116.45
8.1.310.0040.01118.53
8.1.300.0060.00318.04
8.1.290.0060.00318.88
8.1.280.0140.00725.92
8.1.270.0050.00320.84
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0060.00320.67
8.1.230.0080.00417.89
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0060.00317.47
8.1.190.0000.00817.35
8.1.180.0050.00318.10
8.1.170.0050.00318.81
8.1.160.0050.00218.88
8.1.150.0040.00418.62
8.1.140.0040.00422.20
8.1.130.0000.00820.18
8.1.120.0040.00417.62
8.1.110.0050.00217.50
8.1.100.0040.00417.59
8.1.90.0000.00717.62
8.1.80.0000.00817.62
8.1.70.0000.00817.56
8.1.60.0030.00517.61
8.1.50.0030.00517.58
8.1.40.0060.00317.66
8.1.30.0040.00417.82
8.1.20.0060.00717.75
8.1.10.0090.00317.64
8.1.00.0100.00317.67
8.0.300.0000.00718.77
8.0.290.0000.00917.00
8.0.280.0080.00018.50
8.0.270.0040.00418.13
8.0.260.0050.00320.17
8.0.250.0030.00317.08
8.0.240.0030.00317.22
8.0.230.0070.00317.07
8.0.220.0040.00417.17
8.0.210.0040.00417.00
8.0.200.0030.00317.21
8.0.190.0080.00017.20
8.0.180.0000.00817.08
8.0.170.0080.00017.04
8.0.160.0000.00717.10
8.0.150.0040.00417.10
8.0.140.0090.00217.01
8.0.130.0150.00015.16
8.0.120.0140.00316.99
8.0.110.0130.00116.99
8.0.100.0100.00417.00
8.0.90.0120.00417.19
8.0.80.0090.01117.10
8.0.70.0100.00617.04
8.0.60.0110.00417.10
8.0.50.0070.00717.09
8.0.30.0160.00517.16
8.0.20.0120.01017.25
8.0.10.0080.00817.10
8.0.00.0050.01117.01
7.4.330.0020.00215.55
7.4.320.0000.00616.72
7.4.300.0040.00416.77
7.4.290.0030.00616.59
7.4.280.0000.00816.58
7.4.270.0110.00816.75
7.4.260.0110.00415.10
7.4.250.0040.00816.68
7.4.240.0030.00616.72
7.4.230.0060.00616.84
7.4.220.0100.00316.76
7.4.210.0110.00716.77
7.4.200.0080.00616.79
7.4.190.0180.00516.64
7.4.180.0190.00716.73
7.4.160.0140.00716.77
7.4.150.0200.00016.79
7.4.140.0160.00316.68
7.4.130.0070.01316.77
7.4.120.0100.01016.66
7.4.110.0160.00516.72
7.4.100.0120.00716.68
7.4.90.0140.00516.58
7.4.80.0140.00718.05
7.4.70.0080.01116.69
7.4.60.0130.00616.57
7.4.50.0120.00716.59
7.4.40.0120.00816.70
7.4.30.0170.00316.58
7.4.20.0100.00516.61
7.4.10.0140.00016.56
7.4.00.0090.00715.45
7.3.330.0100.00616.43
7.3.320.0090.00414.91
7.3.310.0070.00816.43
7.3.300.0050.00816.46
7.3.290.0130.00216.46
7.3.280.0170.00216.47
7.3.270.0160.00616.43
7.3.260.0150.00716.56
7.3.250.0180.00416.49
7.3.240.0120.00916.56
7.3.230.0060.01316.60
7.3.220.0150.00516.39
7.3.210.0130.00616.42
7.3.200.0160.00316.57
7.3.190.0120.00616.38
7.3.180.0150.00716.41
7.3.170.0120.00716.38
7.3.160.0110.00816.36
7.3.150.0180.00316.39
7.3.140.0220.00316.31
7.3.130.0180.00516.28
7.3.120.0110.00515.40
7.3.110.0130.00515.19
7.3.100.0120.00615.26
7.3.90.0100.00615.32
7.3.80.0120.00515.27
7.3.70.0060.00915.20
7.3.60.0110.00615.38
7.3.50.0090.00915.38
7.3.40.0110.00715.32
7.3.30.0100.00815.36
7.3.20.0140.00915.91
7.3.10.0070.00915.78
7.3.00.0120.00715.86
7.2.340.0140.00616.43
7.2.330.0170.00416.56
7.2.320.0160.00616.61
7.2.310.0130.00616.51
7.2.300.0120.01016.62
7.2.290.0120.00916.62
7.2.280.0150.01016.43
7.2.270.0220.00516.55
7.2.260.0170.00916.45
7.2.250.0120.00615.42
7.2.240.0100.00815.45
7.2.230.0130.00515.49
7.2.220.0120.00715.40
7.2.210.0110.00815.35
7.2.200.0110.00815.43
7.2.190.0130.00715.36
7.2.180.0120.00815.35
7.2.170.0070.01215.38
7.2.160.0170.00615.69
7.2.150.0150.00916.82
7.2.140.0140.00916.98
7.2.130.0190.00816.93
7.2.120.0160.00916.81
7.2.110.0160.01016.62
7.2.100.0140.01016.53
7.2.90.0210.00616.72
7.2.80.0170.00816.49
7.2.70.0190.00816.63
7.2.60.0190.00716.70
7.2.50.0220.00416.74
7.2.40.0200.00516.59
7.2.30.0240.00816.76
7.2.20.0190.00816.63
7.2.10.0150.00816.74
7.2.00.0150.00716.70

preferences:
47.34 ms | 1541 KiB | 5 Q