3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '<pre>'; $a = ' \\\n'; echo $a.'<br>'; if (preg_match('%\\{2}%i', $a, $regs)) { var_dump($regs); } else { echo 'Failed.'; }

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)
8.3.60.0090.00616.63
8.3.50.0090.01017.27
8.3.40.0090.00618.81
8.3.30.0040.01118.60
8.3.20.0050.00318.77
8.3.10.0090.00020.61
8.3.00.0060.00317.75
8.2.180.0030.01616.75
8.2.170.0120.00622.96
8.2.160.0080.01122.30
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00819.95
8.2.110.0090.00019.32
8.2.100.0040.00817.97
8.2.90.0050.00319.27
8.2.80.0090.00017.97
8.2.70.0050.00517.88
8.2.60.0040.00417.90
8.2.50.0060.00318.07
8.2.40.0040.00418.12
8.2.30.0040.00417.95
8.2.20.0040.00417.67
8.2.10.0040.00417.86
8.2.00.0080.00017.88
8.1.280.0070.00725.92
8.1.270.0070.00024.66
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00322.14
8.1.230.0100.00318.88
8.1.220.0070.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0000.00818.66
8.1.160.0000.00718.76
8.1.150.0050.00318.70
8.1.140.0030.00717.52
8.1.130.0030.00317.84
8.1.120.0050.00217.55
8.1.110.0000.00717.48
8.1.100.0000.00717.58
8.1.90.0000.00717.56
8.1.80.0040.00417.55
8.1.70.0070.00017.52
8.1.60.0020.00517.61
8.1.50.0000.00817.42
8.1.40.0000.00917.55
8.1.30.0000.00817.77
8.1.20.0000.00817.71
8.1.10.0040.00417.65
8.1.00.0040.00417.44
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0000.00818.45
8.0.270.0000.00717.23
8.0.260.0000.00716.96
8.0.250.0000.00717.14
8.0.240.0030.00617.04
8.0.230.0000.00717.11
8.0.220.0030.00316.96
8.0.210.0040.00417.05
8.0.200.0000.00617.13
8.0.190.0040.00417.09
8.0.180.0040.00416.94
8.0.170.0030.00516.93
8.0.160.0070.00016.97
8.0.150.0000.00717.03
8.0.140.0080.00017.02
8.0.130.0050.00013.41
8.0.120.0040.00416.96
8.0.110.0040.00416.86
8.0.100.0040.00417.08
8.0.90.0030.00517.05
8.0.80.0030.01117.08
8.0.70.0080.00016.96
8.0.60.0000.00716.80
8.0.50.0000.00716.98
8.0.30.0140.00817.06
8.0.20.0110.01117.19
8.0.10.0070.00016.90
8.0.00.0130.00516.97
7.4.330.0000.00513.12
7.4.320.0030.00316.74
7.4.300.0000.00716.52
7.4.290.0040.00416.71
7.4.280.0040.00416.71
7.4.270.0000.00716.76
7.4.260.0000.00513.41
7.4.250.0040.00416.65
7.4.240.0030.00316.56
7.4.230.0040.00416.66
7.4.220.0130.00616.70
7.4.210.0060.00816.70
7.4.200.0000.00716.55
7.4.190.0000.00816.79
7.4.160.0130.00516.69
7.4.150.0070.01016.70
7.4.140.0080.01216.79
7.4.130.0070.01416.67
7.4.120.0130.00716.61
7.4.110.0070.01016.64
7.4.100.0130.00316.70
7.4.90.0100.00916.62
7.4.80.0040.01819.39
7.4.70.0090.00916.75
7.4.60.0090.00816.67
7.4.50.0060.00016.55
7.4.40.0060.00616.67
7.4.30.0080.00816.51
7.4.00.0100.00715.18
7.3.330.0030.00313.17
7.3.320.0040.00413.27
7.3.310.0030.00316.41
7.3.300.0030.00316.32
7.3.290.0140.00016.29
7.3.280.0080.00716.34
7.3.270.0100.00616.72
7.3.260.0100.00716.60
7.3.250.0110.01016.54
7.3.240.0110.00616.59
7.3.230.0090.00916.62
7.3.210.0090.00916.53
7.3.200.0130.00316.53
7.3.190.0100.00916.24
7.3.180.0090.00616.40
7.3.170.0060.01016.59
7.3.160.0060.00916.78
7.3.120.0030.01014.81
7.2.330.0120.00616.71
7.2.320.0170.00616.77
7.2.310.0110.01416.78
7.2.300.0070.01516.82
7.2.290.0090.00816.62
7.2.00.0070.00719.51
7.1.100.0060.00918.14
7.1.70.0000.00717.33
7.1.60.0120.00619.40
7.1.50.0030.01017.25
7.1.00.0030.07722.30
7.0.200.0410.00414.83
7.0.140.0100.07021.94
7.0.120.0070.06322.06
7.0.60.0100.06320.04
7.0.50.0100.07317.87
7.0.40.0130.08720.32
7.0.30.0230.04320.02
7.0.20.0330.07020.22
7.0.10.0170.06320.18
7.0.00.0030.08720.13
5.6.280.0070.06720.89
5.6.210.0030.08320.69
5.6.200.0030.04318.11
5.6.190.0030.04720.38
5.6.180.0300.04020.77
5.6.170.0270.07720.33
5.6.160.0130.08020.51
5.6.150.0030.08718.21
5.6.140.0170.07018.21
5.6.130.0000.07718.21
5.6.120.0030.07021.01
5.6.110.0070.03721.04
5.6.100.0030.08321.00
5.6.90.0000.07021.07
5.6.80.0130.05720.36
5.6.70.4570.04720.39
5.5.350.0330.07320.42
5.5.340.0000.05318.02
5.5.330.0030.04020.23
5.5.320.0170.05320.15
5.5.310.0230.04020.29
5.5.300.0070.08317.91
5.5.290.0070.08317.91
5.5.280.0170.05720.79
5.5.270.0070.07320.75
5.5.260.0100.08320.86
5.5.250.0070.07320.68
5.5.240.0070.07720.06
5.4.450.0100.07019.41
5.4.440.0130.07319.33
5.4.430.0070.04019.44
5.4.420.0030.08019.32
5.4.410.0070.06718.98
5.4.400.0230.06319.12
5.4.390.0030.06719.14
5.4.380.0100.07318.91
5.4.370.0100.04019.00
5.4.360.0070.07718.79
5.4.350.0070.08019.18
5.4.340.0000.04719.08
5.4.320.0070.04019.09
5.4.310.0070.07718.91
5.4.300.0030.07318.80
5.4.290.0100.06319.07
5.4.280.0200.06319.17
5.4.270.0100.03719.15
5.4.260.0030.08318.91
5.4.250.0030.04018.80
5.4.240.0100.05019.13
5.4.230.0100.06318.91
5.4.220.0070.04719.17
5.4.210.0100.04719.16
5.4.200.0170.06719.17
5.4.190.0030.05719.13
5.4.180.0100.07319.16
5.4.170.0030.04719.07
5.4.160.0000.08318.98
5.4.150.0070.05319.13
5.4.140.0000.07016.44
5.4.130.0070.07316.20
5.4.120.0030.04316.28
5.4.110.0070.07316.23
5.4.100.0030.07016.29
5.4.90.0070.04716.27
5.4.80.0030.03716.29
5.4.70.0070.07716.27
5.4.60.0030.04716.41
5.4.50.0070.07316.25
5.4.40.0070.04716.32
5.4.30.0170.05316.31
5.4.20.0070.07016.11
5.4.10.0100.04016.37
5.4.00.0100.06315.70
5.3.290.0030.07314.59
5.3.280.0030.06714.57
5.3.270.0100.07314.55
5.3.260.0030.06714.42
5.3.250.0100.05014.52
5.3.240.0030.08014.39
5.3.230.0070.05014.52
5.3.220.0030.03714.50
5.3.210.0100.06714.35
5.3.200.0030.07014.57
5.3.190.0030.07714.44
5.3.180.0000.04314.45
5.3.170.0070.04014.43
5.3.160.0070.07714.48
5.3.150.0100.07314.65
5.3.140.0030.07714.49
5.3.130.0100.07714.48
5.3.120.0170.06014.63
5.3.110.0070.05714.42
5.3.100.0030.06013.96
5.3.90.0030.08013.93
5.3.80.0000.05013.95
5.3.70.0030.04313.95
5.3.60.0070.06714.09
5.3.50.0030.04313.79
5.3.40.0070.07713.89
5.3.30.0030.04713.83
5.3.20.0100.07313.80
5.3.10.0100.05713.60
5.3.00.0070.04713.57
5.2.170.0030.05711.09
5.2.160.0000.05311.04
5.2.150.0100.04011.14
5.2.140.0000.05011.21
5.2.130.0070.03311.09
5.2.120.0070.06011.07
5.2.110.0030.03711.11
5.2.100.0030.03310.92
5.2.90.0030.04711.25
5.2.80.0000.04010.98
5.2.70.0000.06010.99
5.2.60.0070.05711.21
5.2.50.0100.02710.94
5.2.40.0000.06310.98
5.2.30.0070.06010.93
5.2.20.0070.03710.95
5.2.10.0030.06010.89
5.2.00.0070.05310.75
5.1.60.0070.04710.14
5.1.50.0030.05310.01
5.1.40.0000.0379.98
5.1.30.0000.03710.34
5.1.20.0030.06010.30
5.1.10.0170.04310.06
5.1.00.0000.06010.11
5.0.50.0130.0378.44
5.0.40.0030.0378.46
5.0.30.0070.0478.23
5.0.20.0000.0238.21
5.0.10.0070.0208.31
5.0.00.0030.0678.10
4.4.90.0100.0178.00
4.4.80.0000.0378.00
4.4.70.0100.0308.00
4.4.60.0000.0238.00
4.4.50.0000.0208.00
4.4.40.0100.0478.00
4.4.30.0000.0308.00
4.4.20.0070.0208.00
4.4.10.0070.0278.00
4.4.00.0030.0508.00
4.3.110.0000.0278.00
4.3.100.0030.0178.00
4.3.90.0000.0208.00
4.3.80.0070.0508.00
4.3.70.0000.0238.00
4.3.60.0030.0338.00
4.3.50.0030.0338.00
4.3.40.0030.0508.00
4.3.30.0030.0378.00
4.3.20.0000.0378.00
4.3.10.0000.0308.00
4.3.00.0000.0238.00

preferences:
39.85 ms | 401 KiB | 5 Q