3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match("//u", "\xE38182", $matches)); var_dump($matches); var_dump(preg_match("//u", "\xE4B880", $matches)); var_dump($matches); var_dump(preg_match("//u", "\xF0A0808B", $matches)); var_dump($matches); var_dump(preg_match("//u", "𠀋", $matches)); var_dump($matches); var_dump("\xF0A0808B" === "𠀋");

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)
8.3.40.0150.00618.94
8.3.30.0110.00418.80
8.3.20.0070.00020.38
8.3.10.0000.00823.56
8.3.00.0040.00419.25
8.2.170.0090.00622.96
8.2.160.0090.00620.43
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0030.00621.15
8.2.110.0030.00620.56
8.2.100.0000.01118.03
8.2.90.0070.00019.14
8.2.80.0030.00617.97
8.2.70.0030.00717.75
8.2.60.0080.00017.91
8.2.50.0030.00518.07
8.2.40.0030.00618.16
8.2.30.0000.00817.96
8.2.20.0020.00517.65
8.2.10.0000.00718.02
8.2.00.0040.00417.77
8.1.270.0000.00823.96
8.1.260.0050.00226.35
8.1.250.0000.00728.09
8.1.240.0070.00323.80
8.1.230.0070.00419.04
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0070.00317.36
8.1.190.0050.00317.00
8.1.180.0050.00318.10
8.1.170.0110.00618.57
8.1.160.0070.00021.89
8.1.150.0060.00318.79
8.1.140.0030.00817.52
8.1.130.0080.00017.39
8.1.120.0040.00417.49
8.1.110.0040.00417.55
8.1.100.0040.00417.38
8.1.90.0030.00417.38
8.1.80.0000.00717.54
8.1.70.0030.00317.50
8.1.60.0000.00917.61
8.1.50.0060.00317.55
8.1.40.0050.00217.54
8.1.30.0000.00917.60
8.1.20.0060.00317.59
8.1.10.0050.00317.49
8.1.00.0040.00417.55
8.0.300.0000.00818.77
8.0.290.0000.00716.88
8.0.280.0000.00718.39
8.0.270.0040.00417.02
8.0.260.0000.00716.90
8.0.250.0000.00717.07
8.0.240.0030.00617.08
8.0.230.0080.00016.88
8.0.220.0040.00416.84
8.0.210.0030.00317.04
8.0.200.0030.00317.04
8.0.190.0050.00217.06
8.0.180.0040.00416.91
8.0.170.0050.00317.02
8.0.160.0040.00416.86
8.0.150.0000.00816.89
8.0.140.0000.00816.75
8.0.130.0000.00513.36
8.0.120.0050.00316.96
8.0.110.0040.00416.98
8.0.100.0040.00416.87
8.0.90.0000.00716.96
8.0.80.0140.01016.97
8.0.70.0050.00217.02
8.0.60.0000.00716.86
8.0.50.0030.00417.04
8.0.30.0050.01417.19
8.0.20.0100.00817.40
8.0.10.0000.00817.10
8.0.00.0090.00816.81
7.4.330.0030.00315.00
7.4.320.0000.00716.60
7.4.300.0030.00316.75
7.4.290.0070.00016.66
7.4.280.0000.00716.53
7.4.270.0040.00416.56
7.4.260.0070.00016.48
7.4.250.0000.00816.61
7.4.240.0000.00816.63
7.4.230.0030.00316.55
7.4.220.0120.00616.61
7.4.210.0090.00516.77
7.4.200.0040.00416.54
7.4.160.0060.00916.67
7.4.150.0110.00617.40
7.4.140.0090.00817.86
7.4.130.0070.01116.62
7.4.120.0090.00916.64
7.4.110.0040.01416.66
7.4.100.0110.00816.69
7.4.90.0090.00916.83
7.4.80.0150.00319.39
7.4.70.0070.01016.56
7.4.60.0170.00016.58
7.4.50.0000.00516.56
7.4.40.0070.01316.47
7.4.30.0060.00916.45
7.4.00.0070.01014.85
7.3.330.0050.00013.27
7.3.320.0000.00513.05
7.3.310.0030.00316.33
7.3.300.0040.00416.25
7.3.290.0080.00816.34
7.3.280.0080.00816.34
7.3.270.0100.00717.40
7.3.260.0140.01016.55
7.3.250.0110.00616.33
7.3.240.0000.01816.40
7.3.230.0110.00716.39
7.3.210.0060.01216.44
7.3.200.0090.00819.39
7.3.190.0080.01016.38
7.3.180.0120.00316.41
7.3.170.0060.00916.61
7.3.160.0110.00516.33
7.3.10.0110.00516.71
7.3.00.0030.00916.66
7.2.330.0070.01116.34
7.2.320.0070.01016.70
7.2.310.0060.01716.48
7.2.300.0170.00316.64
7.2.290.0090.00916.48
7.2.130.0090.00516.84
7.2.120.0080.00716.70
7.2.110.0060.00716.96
7.2.100.0060.00916.75
7.2.90.0090.00516.92
7.2.80.0020.01416.91
7.2.70.0050.00916.90
7.2.60.0080.00416.82
7.2.50.0100.00716.91
7.2.40.0050.01216.98
7.2.30.0050.00616.82
7.2.20.0040.01016.80
7.2.10.0040.01216.94
7.2.00.0060.00616.81
7.1.250.0050.00915.87
7.1.200.0070.00315.78
7.1.70.0030.00517.00
7.1.60.0130.01319.46
7.1.50.0030.01217.09
7.1.00.0070.07322.37
7.0.200.0040.00416.70
7.0.140.0030.07321.99
7.0.60.0000.08020.02
7.0.50.0100.05317.91
7.0.40.0070.04320.11
7.0.30.0200.04720.18
7.0.20.0300.05320.05
7.0.10.0130.08020.05
7.0.00.0100.04720.10
5.6.280.0030.07720.77
5.6.210.0070.08020.56
5.6.200.0030.08318.12
5.6.190.0100.06720.41
5.6.180.0270.04020.67
5.6.170.0400.06720.47
5.6.160.0170.07320.39
5.6.150.0100.04318.21
5.6.140.0000.06718.08
5.6.130.0070.04018.11
5.6.120.0030.04020.99
5.6.110.0170.07720.98
5.6.100.0070.03720.98
5.6.90.0130.04321.07
5.6.80.0100.06720.36
5.5.350.0330.07320.43
5.5.340.0100.03317.98
5.5.330.0030.04020.40
5.5.320.0100.05020.27
5.5.310.0370.08720.29
5.5.300.0100.07318.01
5.5.290.0030.09017.92
5.5.280.0030.04020.77
5.5.270.0200.07020.68
5.5.260.0070.06720.95
5.5.250.0070.08320.61
5.5.240.0030.07720.25
5.4.450.0700.07319.59
5.4.440.1070.06719.12
5.4.430.0600.04719.32
5.4.420.1100.05719.47
5.4.410.0670.05719.11
5.4.400.0670.05019.23
5.4.390.0830.06019.15
5.4.380.0470.05018.62
5.4.370.0400.05718.76
5.4.360.0400.04718.63
5.4.350.0230.05718.72
5.4.340.0400.04318.71
5.4.320.0050.03712.46
5.4.310.0030.04112.45
5.4.300.0040.03912.46
5.4.290.0050.03912.45
5.4.280.0060.03512.35
5.4.270.0060.03612.35
5.4.260.0070.04012.35
5.4.250.0060.03912.35
5.4.240.0080.03312.35
5.4.230.0040.04012.34
5.4.220.0060.04012.34
5.4.210.0070.03712.34
5.4.200.0090.04412.34
5.4.190.0070.04312.34
5.4.180.0050.03612.34
5.4.170.0040.03812.35
5.4.160.0100.03712.34
5.4.150.0090.04412.34
5.4.140.0050.03812.03
5.4.130.0080.03312.02
5.4.120.0050.03511.97
5.4.110.0070.04011.96
5.4.100.0070.03311.97
5.4.90.0050.03711.97
5.4.80.0090.04911.96
5.4.70.0070.03611.96
5.4.60.0090.03711.96
5.4.50.0090.03311.96
5.4.40.0050.03511.95
5.4.30.0070.03611.95
5.4.20.0080.03211.95
5.4.10.0050.04311.95
5.4.00.0060.03511.44
5.3.290.0100.03512.80
5.3.280.0080.03712.71
5.3.270.0040.04012.72
5.3.260.0070.03912.72
5.3.250.0070.03712.72
5.3.240.0080.03612.72
5.3.230.0060.03812.71
5.3.220.0050.03812.68
5.3.210.0080.03712.68
5.3.200.0050.03712.68
5.3.190.0040.03912.67
5.3.180.0060.03812.67
5.3.170.0050.04612.67
5.3.160.0060.05212.67
5.3.150.0070.04012.67
5.3.140.0070.04712.66
5.3.130.0070.03812.66
5.3.120.0070.03812.66
5.3.110.0090.03512.66
5.3.100.0100.04612.12
5.3.90.0040.03812.08
5.3.80.0030.03912.07
5.3.70.0050.04712.07
5.3.60.0030.03912.07
5.3.50.0080.04012.00
5.3.40.0080.03412.00
5.3.30.0060.04011.94
5.3.20.0070.03711.72
5.3.10.0070.03311.69
5.3.00.0070.03511.68
5.2.170.0060.0299.18
5.2.160.0070.0269.18
5.2.150.0060.0289.18
5.2.140.0050.0299.18
5.2.130.0030.0309.14
5.2.120.0050.0279.13
5.2.110.0070.0369.14
5.2.100.0040.0299.14
5.2.90.0040.0309.14
5.2.80.0040.0349.13
5.2.70.0070.0339.13
5.2.60.0070.0309.09
5.2.50.0040.0309.05
5.2.40.0060.0339.04
5.2.30.0060.0279.02
5.2.20.0080.0299.01
5.2.10.0080.0308.92
5.2.00.0060.0378.78
5.1.60.0050.0238.06
5.1.50.0040.0248.06
5.1.40.0060.0398.04
5.1.30.0050.0258.39
5.1.20.0070.0328.41
5.1.10.0050.0288.14
5.1.00.0060.0238.14
5.0.50.0050.0356.62
5.0.40.0050.0196.47
5.0.30.0040.0346.29
5.0.20.0020.0236.26
5.0.10.0030.0206.23
5.0.00.0020.0316.23
4.4.90.0050.0244.77
4.4.80.0040.0134.76
4.4.70.0030.0154.75
4.4.60.0030.0254.75
4.4.50.0030.0154.77
4.4.40.0010.0284.71
4.4.30.0030.0194.76
4.4.20.0020.0164.85
4.4.10.0040.0144.85
4.4.00.0030.0294.76
4.3.110.0000.0184.67
4.3.100.0020.0164.66
4.3.90.0030.0144.64
4.3.80.0040.0304.58
4.3.70.0030.0194.63
4.3.60.0030.0214.62
4.3.50.0050.0204.63
4.3.40.0030.0324.54
4.3.30.0020.0173.28
4.3.20.0010.0183.26
4.3.10.0040.0143.22
4.3.00.0100.0237.55

preferences:
39.06 ms | 400 KiB | 5 Q