3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/あ/u', "\xE38182", $matches)); var_dump(preg_match('//u', "\xF0A0808B", $matches)); var_dump(preg_match('//u', "𠀋", $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)
8.3.60.0100.01016.75
8.3.50.0110.00822.94
8.3.40.0090.00618.70
8.3.30.0070.00718.71
8.3.20.0000.00820.24
8.3.10.0080.00023.48
8.3.00.0040.00419.25
8.2.180.0030.01616.50
8.2.170.0090.00622.96
8.2.160.0060.00920.52
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0040.00421.29
8.2.110.0060.00322.39
8.2.100.0150.00017.91
8.2.90.0090.00018.75
8.2.80.0030.00617.97
8.2.70.0000.00817.49
8.2.60.0000.00817.68
8.2.50.0000.00918.07
8.2.40.0040.00418.09
8.2.30.0070.00017.95
8.2.20.0030.00617.63
8.2.10.0030.00517.86
8.2.00.0040.00417.86
8.1.280.0140.00725.92
8.1.270.0040.00423.84
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0040.00423.91
8.1.230.0100.00319.15
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00617.35
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0050.00318.61
8.1.160.0030.00521.88
8.1.150.0000.00818.73
8.1.140.0030.00617.49
8.1.130.0030.00317.78
8.1.120.0000.00717.44
8.1.110.0050.00217.52
8.1.100.0000.00717.50
8.1.90.0040.00417.45
8.1.80.0040.00417.42
8.1.70.0000.00817.46
8.1.60.0050.00317.53
8.1.50.0000.00817.56
8.1.40.0000.00817.54
8.1.30.0000.00817.57
8.1.20.0000.00717.71
8.1.10.0000.00817.46
8.1.00.0040.00417.52
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0070.00018.33
8.0.270.0000.00717.18
8.0.260.0030.00317.05
8.0.250.0030.00316.91
8.0.240.0040.00416.89
8.0.230.0000.00717.00
8.0.220.0070.00017.00
8.0.210.0020.00516.87
8.0.200.0000.00616.99
8.0.190.0000.00717.02
8.0.180.0000.00717.02
8.0.170.0040.00417.03
8.0.160.0000.00716.86
8.0.150.0000.00716.81
8.0.140.0080.00016.84
8.0.130.0000.00613.35
8.0.120.0060.00316.88
8.0.110.0000.00716.89
8.0.100.0040.00416.83
8.0.90.0050.00216.76
8.0.80.0170.00316.91
8.0.70.0040.00416.98
8.0.60.0070.00016.82
8.0.50.0040.00416.96
8.0.30.0090.01117.17
8.0.20.0130.01017.40
8.0.10.0040.00416.96
8.0.00.0080.01116.89
7.4.330.0000.00615.00
7.4.320.0030.00316.54
7.4.300.0040.00416.49
7.4.290.0000.00716.54
7.4.280.0000.00716.58
7.4.270.0030.00316.57
7.4.260.0030.00316.57
7.4.250.0060.00316.39
7.4.240.0050.00316.63
7.4.230.0040.00416.57
7.4.220.0120.00616.80
7.4.210.0030.01616.69
7.4.200.0030.00316.75
7.4.160.0180.00616.53
7.4.150.0060.01217.40
7.4.140.0050.01117.86
7.4.130.0080.00916.60
7.4.120.0130.00416.47
7.4.110.0140.00316.66
7.4.100.0120.00816.54
7.4.90.0070.01016.60
7.4.80.0090.00919.39
7.4.70.0060.01016.51
7.4.60.0050.01116.75
7.4.50.0040.00416.63
7.4.40.0080.00816.50
7.4.30.0090.00616.64
7.4.00.0030.01314.92
7.3.330.0020.00213.09
7.3.320.0030.00313.17
7.3.310.0000.00716.42
7.3.300.0070.00016.23
7.3.290.0060.00916.37
7.3.280.0060.01016.34
7.3.270.0100.00717.40
7.3.260.0130.01016.59
7.3.250.0140.00616.36
7.3.240.0090.00916.35
7.3.230.0120.00616.48
7.3.210.0060.01216.73
7.3.200.0070.01119.39
7.3.190.0080.00816.59
7.3.180.0060.01516.31
7.3.170.0090.00916.27
7.3.160.0160.00316.32
7.2.330.0120.01216.75
7.2.320.0120.00916.54
7.2.310.0100.01016.52
7.2.300.0100.00616.46
7.2.290.0000.01616.54
7.1.200.0090.00615.87
7.1.70.0050.00516.99
7.1.60.0110.01419.46
7.1.50.0070.01416.85
7.1.00.0000.08022.59
7.0.200.0040.00416.63
7.0.140.0000.07722.12
7.0.100.0070.04320.00
7.0.90.0200.05019.96
7.0.80.0100.04719.87
7.0.70.0200.03320.00
7.0.60.0200.04019.87
7.0.50.0300.04720.34
7.0.40.0030.05020.12
7.0.30.0130.07320.18
7.0.20.0070.08319.94
7.0.10.0200.07019.95
7.0.00.0000.09020.17
5.6.280.0070.07020.85
5.6.250.0030.05720.63
5.6.240.0070.03720.60
5.6.230.0100.05320.66
5.6.220.0070.04720.55
5.6.210.0000.04320.62
5.6.200.0030.04321.00
5.6.190.0130.07721.01
5.6.180.0030.07321.07
5.6.170.0100.07721.11
5.6.160.0100.07321.08
5.6.150.0130.08020.95
5.6.140.0070.05021.05
5.6.130.0100.03721.01
5.6.120.0100.08720.93
5.6.110.0070.09021.15
5.6.100.0100.04720.94
5.6.90.0000.09021.14
5.6.80.0070.08020.48
5.6.70.0100.07320.51
5.6.60.0070.08020.37
5.6.50.0000.07720.46
5.6.40.0030.08020.30
5.6.30.0130.07320.40
5.6.20.0100.08020.44
5.6.10.0070.07720.46
5.6.00.0070.07020.34
5.5.380.0070.04320.38
5.5.370.0030.04020.34
5.5.360.0070.03720.53
5.5.350.0100.07720.39
5.5.340.0000.04320.91
5.5.330.0000.07320.83
5.5.320.0100.06720.80
5.5.310.0030.08720.84
5.5.300.0100.07720.86
5.5.290.0070.08020.72
5.5.280.0030.06020.61
5.5.270.0130.07320.86
5.5.260.0100.07720.88
5.5.250.0100.08020.54
5.5.240.0070.06720.14
5.5.230.0130.07020.17
5.5.220.0100.04320.29
5.5.210.0100.07720.27
5.5.200.0130.06720.19
5.5.190.0030.05320.26
5.5.180.0100.05020.07
5.5.160.0170.07320.14
5.5.150.0170.07319.95
5.5.140.0070.07720.19
5.5.130.0030.08020.27
5.5.120.0200.05720.20
5.5.110.0130.07720.26
5.5.100.0100.04720.16
5.5.90.0100.07719.93
5.5.80.0100.07720.14
5.5.70.0170.06720.03
5.5.60.0030.08320.05
5.5.50.0130.08019.93
5.5.40.0030.08320.07
5.5.30.0070.07719.99
5.5.20.0100.07320.02
5.5.10.0100.07020.03
5.5.00.0100.07720.01
5.4.450.0000.09019.39
5.4.440.0070.07719.45
5.4.430.0070.07019.36
5.4.420.0100.07319.11
5.4.410.0130.07019.23
5.4.400.0130.07319.15
5.4.390.0070.07719.07
5.4.380.0100.07319.04
5.4.370.0070.07319.22
5.4.360.0130.06719.15
5.4.350.0070.05319.11
5.4.340.0030.07319.12
5.4.320.0000.08319.11
5.4.310.0130.05018.81
5.4.300.0100.07319.02
5.4.290.0130.07319.03
5.4.280.0100.07319.06
5.4.270.0100.06318.79
5.4.260.0070.07019.12
5.4.250.0100.07019.02
5.4.240.0070.07319.05
5.4.230.0000.07719.11
5.4.220.0170.06019.10
5.4.210.0030.06018.96
5.4.200.0030.08019.09
5.4.190.0030.06019.03
5.4.180.0030.07718.80
5.4.170.0030.06318.96
5.4.160.0030.06718.91
5.4.150.0070.07718.93
5.4.140.0070.07316.05
5.4.130.0100.07016.34
5.4.120.0100.07316.28
5.4.110.0200.04716.30
5.4.100.0130.06716.39
5.4.90.0170.07016.30
5.4.80.0070.06316.29
5.4.70.0070.07316.33
5.4.60.0030.07716.39
5.4.50.0070.07316.32
5.4.40.0170.05316.25
5.4.30.0170.05716.40
5.4.20.0000.07716.20
5.4.10.0130.06716.30
5.4.00.0070.07315.80
5.3.290.0070.08314.49
5.3.280.0070.07014.46
5.3.270.0070.06714.46
5.3.260.0100.07314.46
5.3.250.0030.08014.60
5.3.240.0070.07314.57
5.3.230.0030.07014.55
5.3.220.0130.07014.50
5.3.210.0000.07314.48
5.3.200.0130.06714.56
5.3.190.0070.07714.56
5.3.180.0000.08014.55
5.3.170.0130.06014.57
5.3.160.0070.07014.48
5.3.150.0070.07314.57
5.3.140.0070.07014.41
5.3.130.0100.06714.46
5.3.120.0030.08314.50
5.3.110.0130.05714.51
5.3.100.0170.06713.98
5.3.90.0070.07313.84
5.3.80.0070.06313.98
5.3.70.0030.07013.98
5.3.60.0070.07713.98
5.3.50.0070.07713.80
5.3.40.0030.08013.93
5.3.30.0030.07313.82
5.3.20.0070.07713.54
5.3.10.0070.07013.63
5.3.00.0030.07013.58
5.2.170.0030.06011.11
5.2.160.0030.04311.19
5.2.150.0070.06311.10
5.2.140.0070.06011.00
5.2.130.0100.05311.08
5.2.120.0070.06010.92
5.2.110.0100.06011.08
5.2.100.0070.04710.92
5.2.90.0100.05011.13
5.2.80.0070.05710.94
5.2.70.0030.05011.09
5.2.60.0030.03710.87
5.2.50.0030.06011.01
5.2.40.0130.03710.92
5.2.30.0030.06310.84
5.2.20.0070.06010.96
5.2.10.0000.05710.92
5.2.00.0030.05710.76
5.1.60.0000.05710.07
5.1.50.0030.03010.07
5.1.40.0030.04010.07
5.1.30.0030.06010.38
5.1.20.0070.05710.41
5.1.10.0030.05310.07
5.1.00.0030.04710.09
5.0.50.0030.04710.07
5.0.40.0070.02010.07
5.0.30.0030.06010.07
5.0.20.0070.03710.07
5.0.10.0000.02310.07
5.0.00.0000.06310.07
4.4.90.0030.02010.07
4.4.80.0000.03310.07
4.4.70.0070.03010.07
4.4.60.0070.02710.07
4.4.50.0030.02010.07
4.4.40.0030.05310.07
4.4.30.0070.03010.07
4.4.20.0030.03310.07
4.4.10.0030.03710.07
4.4.00.0000.03310.07
4.3.110.0030.03310.07
4.3.100.0000.03010.07
4.3.90.0030.01310.07
4.3.80.0000.05310.07
4.3.70.0000.03710.07
4.3.60.0030.03310.07
4.3.50.0000.03310.07
4.3.40.0030.05310.07
4.3.30.0000.02710.07
4.3.20.0000.04010.07
4.3.10.0030.03310.07
4.3.00.0000.03710.07

preferences:
37.07 ms | 401 KiB | 5 Q