3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = '\n'; $str = "123$d"; $str = preg_replace("/\\\n/", "a", $str); print $str;

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)
8.3.60.0120.00618.36
8.3.50.0120.00722.05
8.3.40.0110.00418.82
8.3.30.0070.00719.09
8.3.20.0120.00620.25
8.3.10.0040.00421.87
8.3.00.0040.00419.50
8.2.180.0180.00018.45
8.2.170.0070.00722.96
8.2.160.0000.01421.19
8.2.150.0110.00324.18
8.2.140.0080.00024.66
8.2.130.0060.01226.16
8.2.120.0080.00020.43
8.2.110.0070.00321.09
8.2.100.0080.00319.64
8.2.90.0000.00819.25
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0080.00017.77
8.2.50.0030.00518.07
8.2.40.0040.00418.09
8.2.30.0070.00017.96
8.2.20.0030.00617.75
8.2.10.0050.00218.01
8.2.00.0030.00617.75
8.1.280.0130.00325.92
8.1.270.0030.00621.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00621.14
8.1.230.0040.00717.45
8.1.220.0000.00817.76
8.1.210.0000.00818.77
8.1.200.0090.00417.35
8.1.190.0060.00317.40
8.1.180.0000.00818.60
8.1.170.0000.00818.75
8.1.160.0000.00721.91
8.1.150.0000.00818.71
8.1.140.0000.00817.52
8.1.130.0000.00717.45
8.1.120.0020.00517.55
8.1.110.0030.00717.56
8.1.100.0070.00017.50
8.1.90.0040.00417.57
8.1.80.0000.00717.57
8.1.70.0030.00317.46
8.1.60.0000.00817.58
8.1.50.0040.00417.44
8.1.40.0070.00017.46
8.1.30.0030.00517.72
8.1.20.0040.00417.79
8.1.10.0030.00517.66
8.1.00.0030.00617.63
8.0.300.0040.00418.77
8.0.290.0080.00416.58
8.0.280.0050.00318.42
8.0.270.0000.00717.30
8.0.260.0070.00016.95
8.0.250.0050.00317.10
8.0.240.0080.00017.05
8.0.230.0000.00817.00
8.0.220.0070.00016.96
8.0.210.0000.00617.02
8.0.200.0060.00316.99
8.0.190.0030.00517.09
8.0.180.0070.00016.88
8.0.170.0030.00517.07
8.0.160.0070.00017.13
8.0.150.0000.00716.92
8.0.140.0030.00516.97
8.0.130.0000.00513.38
8.0.120.0050.00216.88
8.0.110.0040.00417.02
8.0.100.0000.00716.91
8.0.90.0000.00716.98
8.0.80.0170.00316.92
8.0.70.0080.00017.00
8.0.60.0000.00816.91
8.0.50.0020.00517.02
8.0.30.0110.01017.29
8.0.20.0130.01117.42
8.0.10.0060.00317.10
8.0.00.0030.01616.90
7.4.330.0030.00315.10
7.4.320.0030.00316.61
7.4.300.0060.00016.68
7.4.290.0030.00616.62
7.4.280.0030.00316.60
7.4.270.0000.00716.66
7.4.260.0040.00416.52
7.4.250.0040.00416.74
7.4.240.0040.00316.69
7.4.230.0000.00816.85
7.4.220.0090.00916.73
7.4.210.0110.00316.73
7.4.200.0040.00416.63
7.4.160.0170.00316.66
7.4.150.0130.01017.40
7.4.140.0080.01117.86
7.4.130.0110.01316.62
7.4.120.0070.01016.82
7.4.110.0120.01016.56
7.4.100.0110.01216.56
7.4.90.0140.00416.69
7.4.80.0080.01519.39
7.4.70.0060.01216.54
7.4.60.0090.00616.52
7.4.50.0000.00816.64
7.4.40.0100.00616.61
7.4.30.0070.01016.59
7.4.00.0000.01714.89
7.3.330.0000.00513.31
7.3.320.0050.00013.20
7.3.310.0030.00316.45
7.3.300.0070.00016.39
7.3.290.0120.00316.39
7.3.280.0110.00816.39
7.3.270.0090.00917.40
7.3.260.0000.01816.36
7.3.250.0110.00716.40
7.3.240.0070.01016.36
7.3.230.0030.01416.41
7.3.210.0130.00316.48
7.3.200.0100.00619.39
7.3.190.0100.00716.64
7.3.180.0060.00916.19
7.3.170.0090.00916.48
7.3.160.0040.01116.50
7.3.10.0030.01016.96
7.3.00.0120.00016.64
7.2.330.0060.01116.86
7.2.320.0130.00316.85
7.2.310.0070.01016.66
7.2.300.0050.01116.87
7.2.290.0100.00716.79
7.2.130.0060.00616.97
7.2.120.0070.00317.01
7.2.110.0090.00616.82
7.2.100.0100.00317.06
7.2.90.0070.00717.01
7.2.80.0060.00617.05
7.2.70.0090.00017.18
7.2.60.0100.00017.09
7.2.50.0060.00917.23
7.2.40.0030.00916.89
7.2.30.0120.00317.00
7.2.20.0030.01016.98
7.2.10.0090.00317.17
7.2.00.0060.00817.97
7.1.250.0080.00415.79
7.1.100.0030.00918.38
7.1.70.0000.00917.27
7.1.60.0110.00317.11
7.1.50.0160.00617.03
7.1.00.0130.06322.45
7.0.200.0090.00016.72
7.0.140.0000.07021.95
7.0.60.0030.08319.95
7.0.50.0130.07017.90
7.0.40.0100.07720.00
7.0.30.0170.04720.32
7.0.20.0200.08320.05
7.0.10.0070.06020.21
7.0.00.0030.09320.03
5.6.280.0030.07321.03
5.6.210.0130.07720.55
5.6.200.0200.07018.22
5.6.190.0100.08020.41
5.6.180.0270.05720.39
5.6.170.0200.04020.38
5.6.160.0100.08720.44
5.6.150.0030.06718.27
5.6.140.0030.04018.22
5.6.130.0070.07318.21
5.6.120.0130.07020.98
5.6.110.0130.08021.12
5.6.100.0070.08320.97
5.6.90.0030.04020.84
5.6.80.0100.06720.46
5.5.350.0270.06020.39
5.5.340.0230.05718.02
5.5.330.0100.04720.07
5.5.320.0330.07720.29
5.5.310.0170.04020.21
5.5.300.0130.07317.97
5.5.290.0070.05018.02
5.5.280.0130.04720.61
5.5.270.0130.05720.85
5.5.260.0100.08320.67
5.5.250.0000.04320.57
5.5.240.0100.07020.14
5.4.450.0370.05319.32
5.4.440.1200.05019.09
5.4.430.0130.05319.46
5.4.420.0130.05019.35
5.4.410.0000.06319.32
5.4.400.0200.06019.20
5.4.390.0170.04318.95
5.4.380.0300.04718.74
5.4.370.0200.05718.68
5.4.360.0170.05018.64
5.4.350.0070.03713.71
5.4.340.0030.04713.80
5.4.320.0030.04314.21
5.4.310.0070.04014.12
5.4.300.0130.04014.19
5.4.290.0070.05014.30
5.4.280.0000.04314.07
5.4.270.0030.04314.07
5.4.260.0100.03714.09
5.4.250.0100.03714.25
5.4.240.0000.04014.26
5.4.230.0100.03314.20
5.4.220.0170.04014.07
5.4.210.0130.04014.05
5.4.200.0100.05014.01
5.4.190.0100.04714.02
5.4.180.0070.05014.17
5.4.170.0070.05014.10
5.4.160.0100.04714.03
5.4.150.0030.05014.04
5.4.140.0100.03713.71
5.4.130.0070.05013.76
5.4.120.0100.05013.64
5.4.110.0000.04713.63
5.4.100.0100.03713.72
5.4.90.0070.05313.66
5.4.80.0170.03313.71
5.4.70.0070.05313.70
5.4.60.0200.04013.68
5.4.50.0130.04013.65
5.4.40.0100.05313.78
5.4.30.0100.04713.62
5.4.20.0130.04713.70
5.4.10.0200.04013.70
5.4.00.0270.03313.18
5.3.290.0070.06014.51
5.3.280.0130.03714.59
5.3.270.0030.04714.45
5.3.260.0070.05014.63
5.3.250.0030.05714.61
5.3.240.0130.05314.49
5.3.230.0030.04314.60
5.3.220.0130.04314.47
5.3.210.0200.03014.59
5.3.200.0100.05714.59
5.3.190.0070.04714.48
5.3.180.0130.04714.47
5.3.170.0130.04714.59
5.3.160.0130.06014.45
5.3.150.0130.05014.44
5.3.140.0130.05014.46
5.3.130.0270.05014.36
5.3.120.0030.06314.47
5.3.110.0130.05014.43
5.3.100.0100.05013.92
5.3.90.0070.04714.06
5.3.80.0000.04714.07
5.3.70.0070.04013.98
5.3.60.0000.04313.87
5.3.50.0030.04013.90
5.3.40.0030.05013.88
5.3.30.0130.04013.89
5.3.20.0100.04713.68
5.3.10.0070.04713.54
5.3.00.0170.04013.65
5.2.170.0170.03711.06
5.2.160.0100.03311.23
5.2.150.0030.04311.07
5.2.140.0070.03711.04
5.2.130.0000.04311.07
5.2.120.0000.03711.07
5.2.110.0070.03011.15
5.2.100.0030.03310.99
5.2.90.0100.02711.10
5.2.80.0030.03011.01
5.2.70.0070.03311.01
5.2.60.0030.03311.02
5.2.50.0130.02710.86
5.2.40.0030.03310.96
5.2.30.0030.03310.82
5.2.20.0100.02310.95
5.2.10.0030.03710.83
5.2.00.0100.02310.66
5.1.60.0100.0209.94
5.1.50.0100.0209.95
5.1.40.0070.0239.98
5.1.30.0000.03010.25
5.1.20.0070.02710.46
5.1.10.0030.0279.98
5.1.00.0100.0209.99
5.0.50.0000.0238.50
5.0.40.0030.0208.47
5.0.30.0070.0308.30
5.0.20.0030.0208.24
5.0.10.0030.0208.30
5.0.00.0070.0308.13
4.4.90.0000.0235.83
4.4.80.0030.0175.80
4.4.70.0000.0175.81
4.4.60.0000.0235.88
4.4.50.0100.0135.82
4.4.40.0030.0235.88
4.4.30.0000.0235.87
4.4.20.0030.0135.94
4.4.10.0000.0235.95
4.4.00.0070.0275.79
4.3.110.0000.0205.79
4.3.100.0100.0105.79
4.3.90.0000.0205.86
4.3.80.0170.0205.80
4.3.70.0100.0135.78
4.3.60.0000.0235.73
4.3.50.0030.0175.73
4.3.40.0030.0305.78
4.3.30.0030.0134.53
4.3.20.0000.0204.47
4.3.10.0030.0134.50
4.3.00.0070.0236.50

preferences:
54.56 ms | 401 KiB | 5 Q