3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test=array("abcd/abcd_.mp3", "abcd", "asdasd/abcd.mp3", "abcd.", "blahahbasdabcd"); $searchTerm = "abcd"; $replaceTerm = "XXXX"; foreach ($test as $t) echo "$t => " . preg_replace("/(". preg_quote($searchTerm) . "([^_.])|". preg_quote($searchTerm) . "$)/x", preg_quote($replaceTerm) . "\${2}", $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)
8.3.60.0060.01216.75
8.3.50.0080.00822.02
8.3.40.0140.00718.96
8.3.30.0060.00919.02
8.3.20.0040.00420.16
8.3.10.0040.00423.70
8.3.00.0080.00020.95
8.2.180.0100.00716.50
8.2.170.0180.00322.96
8.2.160.0030.01020.40
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00820.97
8.2.110.0090.00022.28
8.2.100.0090.00317.91
8.2.90.0050.00319.17
8.2.80.0080.00017.97
8.2.70.0050.00517.75
8.2.60.0030.00617.80
8.2.50.0090.00018.07
8.2.40.0040.00418.09
8.2.30.0000.00718.36
8.2.20.0040.00417.89
8.2.10.0040.00417.96
8.2.00.0050.00317.70
8.1.280.0110.00425.92
8.1.270.0080.00023.79
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00923.88
8.1.230.0080.00319.02
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.47
8.1.190.0030.00617.35
8.1.180.0030.00518.10
8.1.170.0040.00418.78
8.1.160.0040.00422.09
8.1.150.0040.00418.84
8.1.140.0060.00317.53
8.1.130.0060.00017.77
8.1.120.0040.00417.54
8.1.110.0000.00917.63
8.1.100.0000.00817.59
8.1.90.0080.00017.56
8.1.80.0030.00517.49
8.1.70.0070.00017.59
8.1.60.0040.00417.73
8.1.50.0000.00817.67
8.1.40.0040.00417.63
8.1.30.0060.00317.67
8.1.20.0040.00417.87
8.1.10.0040.00417.56
8.1.00.0080.00417.60
8.0.300.0040.00418.77
8.0.290.0060.00316.88
8.0.280.0040.00418.46
8.0.270.0070.00017.29
8.0.260.0030.00317.19
8.0.250.0000.00717.06
8.0.240.0080.00017.09
8.0.230.0030.00517.08
8.0.220.0030.00317.10
8.0.210.0030.00617.05
8.0.200.0060.00316.93
8.0.190.0030.00617.07
8.0.180.0090.00017.05
8.0.170.0000.00817.01
8.0.160.0000.00816.91
8.0.150.0040.00416.89
8.0.140.0040.00416.89
8.0.130.0000.00513.53
8.0.120.0090.00017.03
8.0.110.0090.00017.00
8.0.100.0000.00716.83
8.0.90.0000.00717.07
8.0.80.0060.00916.98
8.0.70.0000.00816.87
8.0.60.0050.00316.93
8.0.50.0030.00517.03
8.0.30.0100.01017.15
8.0.20.0090.00917.42
8.0.10.0030.00517.04
8.0.00.0150.00316.98
7.4.330.0020.00215.00
7.4.320.0030.00316.70
7.4.300.0000.00616.70
7.4.290.0030.00316.63
7.4.280.0000.00816.61
7.4.270.0000.00716.80
7.4.260.0000.00716.82
7.4.250.0050.00216.74
7.4.240.0020.00516.71
7.4.230.0080.00016.92
7.4.220.0090.00916.79
7.4.210.0070.00716.75
7.4.200.0030.00316.89
7.4.160.0060.01316.63
7.4.150.0150.00417.40
7.4.140.0080.00817.86
7.4.130.0100.00716.57
7.4.120.0100.00716.83
7.4.110.0060.01616.88
7.4.100.0160.00916.57
7.4.90.0110.00716.52
7.4.80.0110.01119.39
7.4.70.0000.01616.63
7.4.60.0070.01016.48
7.4.50.0040.00416.76
7.4.40.0090.00616.71
7.4.30.0030.01316.76
7.4.00.0000.01715.14
7.3.330.0030.00313.20
7.3.320.0050.00013.32
7.3.310.0000.00716.38
7.3.300.0000.00816.26
7.3.290.0030.01016.38
7.3.280.0060.01216.43
7.3.270.0130.00417.40
7.3.260.0090.00816.68
7.3.250.0090.00916.43
7.3.240.0060.01216.36
7.3.230.0210.00016.46
7.3.210.0180.00716.64
7.3.200.0060.01019.39
7.3.190.0160.00316.70
7.3.180.0060.01016.69
7.3.170.0190.00316.68
7.3.160.0060.00916.35
7.3.120.0070.01014.99
7.2.330.0060.01116.92
7.2.320.0150.00916.64
7.2.310.0140.00316.62
7.2.300.0120.00616.60
7.2.290.0100.00616.71
7.1.70.0030.00517.19
7.1.60.0090.01219.70
7.1.50.0100.01617.02
7.1.00.0100.06722.49
7.0.200.0050.00316.41
7.0.140.0000.07722.07
7.0.60.0130.03020.01
7.0.50.0000.08717.83
7.0.40.0030.09320.12
7.0.30.0570.06720.18
7.0.20.0270.07020.21
7.0.10.0000.09320.23
7.0.00.0100.08720.18
5.6.280.0000.07320.82
5.6.210.0030.08720.61
5.6.200.0000.04718.22
5.6.190.0030.05020.67
5.6.180.3600.04720.41
5.6.170.0130.04720.50
5.6.160.0030.04720.49
5.6.150.0100.06318.21
5.6.140.0100.08018.21
5.6.130.0000.09018.15
5.6.120.0070.09021.05
5.6.110.0100.08020.96
5.6.100.0000.05020.88
5.6.90.0100.07020.96
5.6.80.0070.08020.37
5.6.70.4170.03720.27
5.5.350.0070.07720.44
5.5.340.0070.03717.92
5.5.330.0100.05020.07
5.5.320.0200.04320.32
5.5.310.0230.05320.20
5.5.300.0030.05317.96
5.5.290.0070.04317.98
5.5.280.0030.08720.85
5.5.270.0030.06020.94
5.5.260.0030.08720.86
5.5.250.0030.07320.61
5.5.240.0130.04720.16
5.4.450.0330.04028.28
5.4.440.0470.04728.05
5.4.430.0300.03726.89
5.4.420.0230.03026.16
5.4.410.0200.04726.15
5.4.400.0170.03726.13
5.4.390.0300.04726.13
5.4.380.0330.06018.50
5.4.370.0370.05318.76
5.4.360.0400.04018.67
5.4.350.0300.05718.68
5.4.340.0330.04718.72
5.4.320.0070.03612.45
5.4.310.0080.03912.45
5.4.300.0150.04012.45
5.4.290.0080.05312.45
5.4.280.0090.04512.35
5.4.270.0100.04212.35
5.4.260.0110.03712.35
5.4.250.0130.03612.35
5.4.240.0120.04212.35
5.4.230.0190.03912.34
5.4.220.0060.05012.34
5.4.210.0090.05212.34
5.4.200.0150.04012.34
5.4.190.0060.04712.34
5.4.180.0100.05012.34
5.4.170.0120.04312.35
5.4.160.0100.03412.35
5.4.150.0110.05612.34
5.4.140.0130.05712.03
5.4.130.0110.04512.02
5.4.120.0070.05011.98
5.4.110.0090.04811.97
5.4.100.0090.04611.97
5.4.90.0060.04911.97
5.4.80.0100.05111.97
5.4.70.0150.04511.96
5.4.60.0130.05011.96
5.4.50.0100.05811.96
5.4.40.0170.05811.95
5.4.30.0130.03611.94
5.4.20.0070.04911.95
5.4.10.0070.04911.95
5.4.00.0090.04811.44
5.3.290.0060.04112.80
5.3.280.0100.04212.71
5.3.270.0080.04712.72
5.3.260.0170.07112.72
5.3.250.0130.04212.72
5.3.240.0110.04712.72
5.3.230.0090.03912.71
5.3.220.0090.05012.68
5.3.210.0070.05312.68
5.3.200.0100.04812.68
5.3.190.0190.06612.68
5.3.180.0090.05512.67
5.3.170.0100.07512.67
5.3.160.0310.09212.67
5.3.150.0110.09012.67
5.3.140.0060.05512.66
5.3.130.0130.09412.66
5.3.120.0140.04712.66
5.3.110.0120.04912.66
5.3.100.0090.05712.12
5.3.90.0170.08412.08
5.3.80.0130.08912.07
5.3.70.0090.05012.07
5.3.60.0060.04112.07
5.3.50.0080.04512.00
5.3.40.0090.04312.00
5.3.30.0040.04211.96
5.3.20.0070.04811.73
5.3.10.0140.05211.70
5.3.00.0060.04211.69
5.2.170.0010.0429.19
5.2.160.0060.0319.19
5.2.150.0060.0339.19
5.2.140.0050.0359.19
5.2.130.0050.0309.15
5.2.120.0090.0289.14
5.2.110.0040.0429.16
5.2.100.0130.0359.15
5.2.90.0070.0299.15
5.2.80.0030.0369.14
5.2.70.0090.0389.14
5.2.60.0050.0499.10
5.2.50.0050.0319.07
5.2.40.0040.0339.05
5.2.30.0060.0409.02
5.2.20.0060.0349.02
5.2.10.0070.0298.92
5.2.00.0050.0288.78
5.1.60.0080.0288.07
5.1.50.0060.0348.06
5.1.40.0030.0308.04
5.1.30.0030.0288.39
5.1.20.0050.0358.41
5.1.10.0070.0378.14
5.1.00.0070.0328.14
5.0.50.0030.0286.61
5.0.40.0060.0216.48
5.0.30.0020.0386.29
5.0.20.0020.0246.25
5.0.10.0050.0276.24
5.0.00.0050.0386.23
4.4.90.0010.0244.78
4.4.80.0060.0184.75
4.4.70.0020.0234.75
4.4.60.0050.0194.75
4.4.50.0060.0194.77
4.4.40.0020.0334.71
4.4.30.0060.0184.76
4.4.20.0040.0204.84
4.4.10.0030.0224.85
4.4.00.0030.0334.76
4.3.110.0030.0224.67
4.3.100.0080.0404.66
4.3.90.0060.0264.63
4.3.80.0050.0344.58
4.3.70.0040.0224.63
4.3.60.0070.0194.63
4.3.50.0040.0224.63
4.3.40.0060.0284.54
4.3.30.0040.0233.29
4.3.20.0040.0223.25
4.3.10.0050.0203.21
4.3.00.0000.02026.13

preferences:
43.13 ms | 401 KiB | 5 Q