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) . "<br>\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)
8.3.60.0140.00718.55
8.3.50.0060.00922.19
8.3.40.0030.01019.09
8.3.30.0070.00719.04
8.3.20.0070.00020.30
8.3.10.0080.00023.48
8.3.00.0050.00320.90
8.2.180.0120.00916.75
8.2.170.0120.00322.96
8.2.160.0030.01020.53
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0050.00320.96
8.2.110.0090.00022.38
8.2.100.0080.00317.84
8.2.90.0040.00419.21
8.2.80.0080.00017.97
8.2.70.0060.00317.75
8.2.60.0040.00417.93
8.2.50.0090.00018.07
8.2.40.0000.00819.94
8.2.30.0040.00418.31
8.2.20.0070.00017.83
8.2.10.0000.00718.07
8.2.00.0060.00317.81
8.1.280.0110.00625.92
8.1.270.0000.00822.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.84
8.1.230.0040.00819.17
8.1.220.0000.00817.74
8.1.210.0050.00518.77
8.1.200.0100.00017.48
8.1.190.0030.00617.36
8.1.180.0030.00618.10
8.1.170.0080.00018.78
8.1.160.0030.00322.03
8.1.150.0040.00418.72
8.1.140.0040.00417.64
8.1.130.0000.00717.84
8.1.120.0000.00717.62
8.1.110.0000.00817.60
8.1.100.0080.00017.52
8.1.90.0050.00217.65
8.1.80.0000.00717.55
8.1.70.0070.00017.46
8.1.60.0030.00517.61
8.1.50.0040.00417.55
8.1.40.0050.00517.66
8.1.30.0000.01117.59
8.1.20.0030.00617.68
8.1.10.0070.00017.55
8.1.00.0100.00017.60
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0000.00718.50
8.0.270.0000.00717.27
8.0.260.0030.00317.31
8.0.250.0030.00317.05
8.0.240.0060.00317.09
8.0.230.0070.00016.93
8.0.220.0030.00317.00
8.0.210.0070.00016.90
8.0.200.0090.00017.13
8.0.190.0050.00317.07
8.0.180.0000.00816.88
8.0.170.0040.00417.08
8.0.160.0000.00816.85
8.0.150.0040.00416.88
8.0.140.0050.00216.89
8.0.130.0000.00613.42
8.0.120.0000.00717.00
8.0.110.0000.00816.93
8.0.100.0000.00716.92
8.0.90.0030.00316.82
8.0.80.0000.01516.91
8.0.70.0040.00416.91
8.0.60.0000.00816.85
8.0.50.0040.00416.97
8.0.30.0130.00717.05
8.0.20.0080.01017.50
8.0.10.0030.00517.16
8.0.00.0110.00616.94
7.4.330.0050.00015.00
7.4.320.0030.00316.57
7.4.300.0000.00616.64
7.4.290.0080.00016.79
7.4.280.0050.00316.69
7.4.270.0030.00416.70
7.4.260.0000.00716.64
7.4.250.0040.00416.75
7.4.240.0040.00416.71
7.4.230.0050.00316.79
7.4.220.0120.00416.63
7.4.210.0120.00816.84
7.4.200.0040.00316.89
7.4.160.0140.00916.53
7.4.150.0090.01217.40
7.4.140.0100.00717.86
7.4.130.0020.01516.60
7.4.120.0070.01016.68
7.4.110.0040.01416.66
7.4.100.0030.01916.61
7.4.90.0100.00716.68
7.4.80.0120.00919.39
7.4.70.0110.01116.60
7.4.60.0120.00416.70
7.4.50.0000.00816.75
7.4.40.0090.00716.72
7.4.30.0040.01216.75
7.4.00.0030.01415.25
7.3.330.0030.00313.14
7.3.320.0060.00013.23
7.3.310.0000.00616.26
7.3.300.0000.00716.36
7.3.290.0060.01216.43
7.3.280.0050.01116.42
7.3.270.0110.00717.40
7.3.260.0070.01016.52
7.3.250.0130.00516.40
7.3.240.0070.01016.78
7.3.230.0090.00916.39
7.3.210.0070.01516.81
7.3.200.0160.00019.39
7.3.190.0110.01116.64
7.3.180.0070.01016.61
7.3.170.0060.00916.55
7.3.160.0060.01016.69
7.3.120.0000.01515.01
7.2.330.0090.00916.82
7.2.320.0120.01216.89
7.2.310.0090.01216.69
7.2.300.0030.01516.86
7.2.290.0110.00616.85
7.2.60.0060.00917.04
7.2.00.0100.00619.52
7.1.200.0060.00915.66
7.1.100.0000.01418.25
7.1.70.0000.00717.50
7.1.60.0100.01019.70
7.1.50.0040.01817.13
7.1.00.0000.08022.50
7.0.200.0000.01016.39
7.0.140.0000.07322.18
7.0.60.0030.08020.00
7.0.50.0070.04017.91
7.0.40.0100.07719.92
7.0.30.0370.07020.22
7.0.20.0270.05720.19
7.0.10.0030.04320.10
7.0.00.0000.07720.10
5.6.280.0130.06320.78
5.6.210.0030.06720.53
5.6.200.0100.03318.18
5.6.190.0200.03020.32
5.6.180.4130.04020.56
5.6.170.0270.07720.49
5.6.160.0030.04320.38
5.6.150.0070.04318.18
5.6.140.0100.03718.18
5.6.130.0030.04018.09
5.6.120.0030.05021.04
5.6.110.0130.07321.04
5.6.100.0130.08021.02
5.6.90.0130.08021.00
5.6.80.0130.07320.35
5.6.70.3600.04020.50
5.5.350.0170.07020.33
5.5.340.0070.07717.88
5.5.330.0070.05020.30
5.5.320.0200.04720.49
5.5.310.0230.04320.23
5.5.300.0070.05018.01
5.5.290.0100.03718.02
5.5.280.0130.03720.98
5.5.270.0070.08320.81
5.5.260.0030.07720.97
5.5.250.0100.07720.61
5.5.240.0170.03320.07
5.4.450.0370.04028.28
5.4.440.0300.04028.05
5.4.430.0430.04326.89
5.4.420.0170.04726.16
5.4.410.0370.04726.13
5.4.400.0270.03726.13
5.4.390.0130.04719.13
5.4.380.0170.05018.65
5.4.370.0170.05018.73
5.4.360.0130.05718.68
5.4.350.0100.05718.59
5.4.340.0130.05318.56
5.4.320.0080.03712.46
5.4.310.0030.04112.45
5.4.300.0040.05112.45
5.4.290.0100.05212.45
5.4.280.0070.05012.35
5.4.270.0080.05112.35
5.4.260.0100.05412.35
5.4.250.0120.05212.35
5.4.240.0090.05512.35
5.4.230.0110.04912.34
5.4.220.0090.04812.34
5.4.210.0110.04512.34
5.4.200.0110.05112.34
5.4.190.0090.05712.34
5.4.180.0090.05612.34
5.4.170.0090.05612.35
5.4.160.0150.04712.35
5.4.150.0130.04512.34
5.4.140.0100.05012.03
5.4.130.0080.04712.01
5.4.120.0060.05311.97
5.4.110.0090.06811.96
5.4.100.0070.04911.97
5.4.90.0200.06711.96
5.4.80.0130.06911.96
5.4.70.0090.04811.96
5.4.60.0090.04611.96
5.4.50.0090.04611.96
5.4.40.0080.06111.95
5.4.30.0100.04511.95
5.4.20.0100.04911.95
5.4.10.0060.05311.95
5.4.00.0080.05211.44
5.3.290.0070.04212.80
5.3.280.0080.05012.71
5.3.270.0090.05212.73
5.3.260.0050.05712.72
5.3.250.0070.05012.72
5.3.240.0060.04912.72
5.3.230.0080.04812.71
5.3.220.0080.07012.68
5.3.210.0050.05212.68
5.3.200.0090.04612.68
5.3.190.0080.04212.68
5.3.180.0060.04712.68
5.3.170.0080.04612.67
5.3.160.0080.04212.67
5.3.150.0080.04412.67
5.3.140.0080.05412.66
5.3.130.0090.04212.65
5.3.120.0110.04612.66
5.3.110.0110.05212.65
5.3.100.0100.05612.12
5.3.90.0060.04812.08
5.3.80.0100.05012.07
5.3.70.0080.04912.08
5.3.60.0100.04912.06
5.3.50.0100.04812.00
5.3.40.0070.04512.00
5.3.30.0080.04811.95
5.3.20.0050.04611.73
5.3.10.0060.04311.70
5.3.00.0080.04011.68
5.2.170.0070.0429.18
5.2.160.0080.0369.18
5.2.150.0030.0469.18
5.2.140.0090.0399.18
5.2.130.0070.0399.14
5.2.120.0080.0379.14
5.2.110.0030.0439.15
5.2.100.0070.0419.14
5.2.90.0090.0429.14
5.2.80.0090.0429.14
5.2.70.0090.0419.14
5.2.60.0050.0409.09
5.2.50.0080.0369.05
5.2.40.0030.0419.03
5.2.30.0060.0409.02
5.2.20.0060.0409.00
5.2.10.0070.0358.93
5.2.00.0120.0338.79
5.1.60.0070.0318.07
5.1.50.0060.0318.07
5.1.40.0040.0348.05
5.1.30.0070.0338.40
5.1.20.0060.0358.42
5.1.10.0070.0328.14
5.1.00.0040.0378.14
5.0.50.0070.0256.62
5.0.40.0040.0276.47
5.0.30.0070.0386.29
5.0.20.0030.0266.27
5.0.10.0030.0296.23
5.0.00.0110.0336.23
4.4.90.0020.0244.78
4.4.80.0030.0224.75
4.4.70.0070.0184.75
4.4.60.0040.0224.76
4.4.50.0050.0204.77
4.4.40.0100.0294.71
4.4.30.0050.0214.76
4.4.20.0060.0204.84
4.4.10.0060.0214.85
4.4.00.0050.0294.76
4.3.110.0060.0194.67
4.3.100.0060.0194.66
4.3.90.0040.0184.63
4.3.80.0040.0314.58
4.3.70.0070.0184.63
4.3.60.0080.0544.63
4.3.50.0040.0224.63
4.3.40.0060.0354.54
4.3.30.0030.0213.28
4.3.20.0030.0203.25
4.3.10.0040.0193.22
4.3.00.0000.02026.13

preferences:
62.48 ms | 401 KiB | 5 Q