3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test=["abcd/abcd_.mp3", "abcd", "asdasd/abcd.mp3", "abcd."]; foreach ($test as $t) echo preg_replace("/abcd([^_.])/", "defg" . "\${1}", $t) . "\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)
8.3.60.0170.00318.43
8.3.50.0110.00622.20
8.3.40.0040.01119.09
8.3.30.0080.00619.13
8.3.20.0060.00320.24
8.3.10.0000.00923.52
8.3.00.0040.00420.84
8.2.180.0160.00616.63
8.2.170.0110.00422.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00820.74
8.2.110.0000.00922.36
8.2.100.0060.00617.84
8.2.90.0000.00819.05
8.2.80.0080.00017.97
8.2.70.0060.00317.86
8.2.60.0050.00318.03
8.2.50.0000.00918.07
8.2.40.0030.00519.85
8.2.30.0000.00818.14
8.2.20.0040.00417.88
8.2.10.0040.00418.13
8.2.00.0080.00017.75
8.1.280.0110.00325.92
8.1.270.0000.00822.11
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0000.00823.84
8.1.230.0000.01119.15
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0040.00417.47
8.1.190.0030.00617.38
8.1.180.0040.00418.10
8.1.170.0050.00318.64
8.1.160.0000.00721.94
8.1.150.0040.00418.84
8.1.140.0000.00817.63
8.1.130.0040.00417.84
8.1.120.0000.00817.60
8.1.110.0040.00417.58
8.1.100.0050.00317.49
8.1.90.0030.00317.63
8.1.80.0070.00017.61
8.1.70.0000.00717.49
8.1.60.0030.00517.78
8.1.50.0060.00317.72
8.1.40.0060.00317.52
8.1.30.0050.00517.70
8.1.20.0090.00017.70
8.1.10.0000.00817.59
8.1.00.0070.00417.64
8.0.300.0000.00718.77
8.0.290.0000.00716.88
8.0.280.0060.00018.45
8.0.270.0070.00017.35
8.0.260.0030.00317.32
8.0.250.0040.00417.09
8.0.240.0050.00317.02
8.0.230.0000.00717.07
8.0.220.0070.00017.00
8.0.210.0040.00417.04
8.0.200.0060.00317.05
8.0.190.0040.00417.00
8.0.180.0070.00017.06
8.0.170.0000.00817.08
8.0.160.0030.00517.00
8.0.150.0000.00717.00
8.0.140.0050.00317.04
8.0.130.0000.00613.43
8.0.120.0000.00716.95
8.0.110.0050.00217.10
8.0.100.0030.00517.05
8.0.90.0040.00417.07
8.0.80.0140.00317.02
8.0.70.0080.00017.07
8.0.60.0070.00016.86
8.0.50.0040.00416.86
8.0.30.0150.00717.19
8.0.20.0120.00717.40
8.0.10.0070.00016.96
8.0.00.0090.01116.79
7.4.330.0000.00515.09
7.4.320.0030.00316.69
7.4.300.0030.00316.80
7.4.290.0070.00016.65
7.4.280.0040.00416.65
7.4.270.0030.00316.85
7.4.260.0000.00716.77
7.4.250.0040.00416.77
7.4.240.0040.00416.83
7.4.230.0080.00016.55
7.4.220.0100.00716.89
7.4.210.0090.01216.91
7.4.200.0030.00316.61
7.4.160.0040.01716.71
7.4.150.0110.00717.40
7.4.140.0080.00817.86
7.4.130.0060.01116.59
7.4.120.0140.00616.70
7.4.110.0070.01016.56
7.4.100.0090.00916.88
7.4.90.0060.01916.68
7.4.80.0120.00619.39
7.4.70.0130.00916.87
7.4.60.0140.00316.87
7.4.50.0040.00416.43
7.4.40.0120.00416.47
7.4.30.0100.00716.69
7.4.00.0100.00015.34
7.3.330.0030.00313.24
7.3.320.0060.00013.13
7.3.310.0000.00716.23
7.3.300.0080.00016.38
7.3.290.0060.01216.57
7.3.280.0090.01216.40
7.3.270.0030.01417.40
7.3.260.0130.00616.53
7.3.250.0130.00816.43
7.3.240.0030.01316.71
7.3.230.0100.01616.39
7.3.210.0070.01316.88
7.3.200.0080.00819.39
7.3.190.0030.01816.53
7.3.180.0030.01216.42
7.3.170.0030.01316.36
7.3.160.0090.00616.58
7.3.120.0070.01015.08
7.2.330.0060.01416.73
7.2.320.0090.00916.75
7.2.310.0100.00717.00
7.2.300.0190.00316.77
7.2.290.0130.00416.68
7.2.00.0030.00919.31
7.1.200.0040.01115.70
7.1.100.0080.00318.13
7.1.70.0000.00817.36
7.1.60.0100.01319.70
7.1.50.0100.01317.11
7.1.00.0000.09322.43
7.0.200.0000.00716.45
7.0.140.0070.07021.95
7.0.60.0100.07719.88
7.0.50.0100.07717.85
7.0.40.0070.08720.14
7.0.30.0530.07320.07
7.0.20.0300.07320.21
7.0.10.0030.08720.22
7.0.00.0130.03320.17
5.6.280.0030.07320.78
5.6.210.0100.06020.46
5.6.200.0030.08718.21
5.6.190.0070.09020.27
5.6.180.4070.04020.43
5.6.170.0370.07720.49
5.6.160.0100.05020.32
5.6.150.0070.05018.15
5.6.140.0070.06018.11
5.6.130.0070.08018.11
5.6.120.0030.04321.09
5.6.110.0070.08321.11
5.6.100.0070.04020.99
5.6.90.0100.05320.88
5.6.80.0100.07720.50
5.6.70.4470.04020.39
5.5.350.0400.06720.40
5.5.340.0100.07717.91
5.5.330.0070.08320.21
5.5.320.0370.05720.21
5.5.310.0330.07020.20
5.5.300.0000.05317.89
5.5.290.0100.08317.91
5.5.280.0070.08720.68
5.5.270.0070.06320.72
5.5.260.0130.08320.72
5.5.250.0070.05020.68
5.5.240.0370.06020.23
5.4.450.0400.04328.28
5.4.440.0500.04328.05
5.4.430.0470.04726.89
5.4.420.0130.04726.16
5.4.410.0200.03026.14
5.4.400.0330.04326.13
5.4.390.0170.03026.13
5.4.380.0130.05718.70
5.4.370.0130.05018.59
5.4.360.0170.04718.50
5.4.350.0100.05718.69
5.4.340.0030.06018.59
5.4.320.0050.04812.46
5.4.310.0030.04012.45
5.4.300.0110.04912.46
5.4.290.0110.04712.45
5.4.280.0110.04412.35
5.4.270.0100.03812.35
5.4.260.0050.04612.35
5.4.250.0100.04312.35
5.4.240.0090.04612.35
5.4.230.0050.05812.34
5.4.220.0180.07112.34
5.4.210.0110.04312.34
5.4.200.0080.04412.34
5.4.190.0090.04512.34
5.4.180.0130.06112.34
5.4.170.0100.05212.35
5.4.160.0110.05212.35
5.4.150.0280.03612.34
5.4.140.0090.04912.03
5.4.130.0140.04412.02
5.4.120.0080.04811.97
5.4.110.0210.04211.97
5.4.100.0090.05611.97
5.4.90.0060.04611.96
5.4.80.0130.04411.96
5.4.70.0070.04711.96
5.4.60.0060.04711.96
5.4.50.0140.04611.96
5.4.40.0100.04911.95
5.4.30.0140.04411.95
5.4.20.0110.05011.95
5.4.10.0120.04911.95
5.4.00.0090.04811.43
5.3.290.0080.03712.80
5.3.280.0100.04712.71
5.3.270.0090.04412.72
5.3.260.0090.04912.72
5.3.250.0090.04412.72
5.3.240.0100.04712.72
5.3.230.0100.04412.71
5.3.220.0090.04512.68
5.3.210.0100.04312.68
5.3.200.0110.03812.68
5.3.190.0070.05012.68
5.3.180.0060.06112.67
5.3.170.0110.04912.67
5.3.160.0090.04512.68
5.3.150.0100.06112.68
5.3.140.0110.05612.66
5.3.130.0100.05012.66
5.3.120.0070.04812.66
5.3.110.0110.06412.66
5.3.100.0100.04412.12
5.3.90.0150.07312.08
5.3.80.0070.04912.07
5.3.70.0060.05712.08
5.3.60.0130.05712.06
5.3.50.0090.04812.00
5.3.40.0080.05212.00
5.3.30.0110.04611.95
5.3.20.0150.06011.72
5.3.10.0150.08011.70
5.3.00.0250.07711.68
5.2.170.0320.0989.18
5.2.160.0200.1009.18
5.2.150.0040.0479.18
5.2.140.0190.0779.18
5.2.130.0090.0409.14
5.2.120.0070.0389.14
5.2.110.0060.0349.14
5.2.100.0090.0379.14
5.2.90.0050.0439.14
5.2.80.0080.0489.14
5.2.70.0100.0469.14
5.2.60.0080.0439.08
5.2.50.0070.0419.05
5.2.40.0060.0349.03
5.2.30.0060.0419.01
5.2.20.0070.0429.00
5.2.10.0050.0588.92
5.2.00.0040.0388.78
5.1.60.0050.0318.06
5.1.50.0060.0328.06
5.1.40.0040.0338.05
5.1.30.0020.0418.40
5.1.20.0090.0348.42
5.1.10.0100.0498.14
5.1.00.0080.0328.14
5.0.50.0050.0296.63
5.0.40.0060.0356.47
5.0.30.0040.0416.29
5.0.20.0050.0246.26
5.0.10.0060.0286.24
5.0.00.0070.0516.23
4.4.90.0090.0664.78
4.4.80.0030.0274.76
4.4.70.0020.0234.75
4.4.60.0070.0214.75
4.4.50.0030.0224.77
4.4.40.0070.0364.71
4.4.30.0020.0254.76
4.4.20.0090.0214.84
4.4.10.0040.0254.85
4.4.00.0060.0354.76
4.3.110.0040.0244.67
4.3.100.0030.0264.66
4.3.90.0070.0204.64
4.3.80.0030.0374.58
4.3.70.0040.0234.63
4.3.60.0020.0254.63
4.3.50.0040.0234.63
4.3.40.0050.0344.54
4.3.30.0040.0233.28
4.3.20.0040.0243.25
4.3.10.0020.0243.22
4.3.00.0030.01726.13

preferences:
58.3 ms | 401 KiB | 5 Q