3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('//u', "\xE4B880\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);

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)
8.3.60.0100.00316.63
8.3.50.0100.00823.01
8.3.40.0040.01118.71
8.3.30.0070.00718.91
8.3.20.0080.00020.35
8.3.10.0090.00023.45
8.3.00.0040.00419.51
8.2.180.0120.00618.41
8.2.170.0110.00422.96
8.2.160.0100.00720.47
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00421.02
8.2.110.0000.00919.30
8.2.100.0000.01217.84
8.2.90.0090.00018.03
8.2.80.0040.00717.97
8.2.70.0000.00817.91
8.2.60.0040.00417.80
8.2.50.0000.00719.40
8.2.40.0000.01520.31
8.2.30.0000.00717.95
8.2.20.0060.00317.77
8.2.10.0040.00418.00
8.2.00.0040.00417.82
8.1.280.0150.00625.92
8.1.270.0030.00523.92
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00322.06
8.1.230.0050.00520.85
8.1.220.0000.00817.74
8.1.210.0080.00018.79
8.1.200.0040.00417.23
8.1.190.0040.00717.25
8.1.180.0040.00418.10
8.1.170.0040.00418.63
8.1.160.0030.00321.98
8.1.150.0060.00318.66
8.1.140.0030.00717.48
8.1.130.0030.00317.80
8.1.120.0000.00717.49
8.1.110.0000.00817.48
8.1.100.0000.00817.48
8.1.90.0000.00717.45
8.1.80.0030.00317.50
8.1.70.0000.00717.35
8.1.60.0060.00317.61
8.1.50.0050.00317.53
8.1.40.0040.00417.54
8.1.30.0030.00517.57
8.1.20.0020.00517.74
8.1.10.0030.00517.47
8.1.00.0040.00417.42
8.0.300.0000.00819.79
8.0.290.0070.00016.75
8.0.280.0070.00018.25
8.0.270.0080.00017.11
8.0.260.0060.00017.02
8.0.250.0030.00317.06
8.0.240.0000.00817.08
8.0.230.0030.00317.02
8.0.220.0000.00716.98
8.0.210.0030.00316.99
8.0.200.0000.00617.07
8.0.190.0030.00317.07
8.0.180.0050.00317.01
8.0.170.0050.00316.96
8.0.160.0000.00716.91
8.0.150.0070.00016.86
8.0.140.0030.00316.89
8.0.130.0030.00313.46
8.0.120.0050.00216.95
8.0.110.0000.00717.01
8.0.100.0000.00717.01
8.0.90.0030.00316.83
8.0.80.0080.00816.96
8.0.70.0030.00516.75
8.0.60.0070.00016.86
8.0.50.0070.00016.97
8.0.30.0100.00917.00
8.0.20.0070.01217.40
8.0.10.0070.00016.83
8.0.00.0070.01016.76
7.4.330.0060.00015.00
7.4.320.0050.00216.55
7.4.300.0040.00416.47
7.4.290.0040.00416.45
7.4.280.0000.00716.67
7.4.270.0000.00716.55
7.4.260.0040.00416.64
7.4.250.0000.00716.66
7.4.240.0050.00316.64
7.4.230.0030.00316.46
7.4.220.0170.01016.85
7.4.210.0040.01116.60
7.4.200.0070.00016.83
7.4.160.0100.01316.59
7.4.150.0170.00017.40
7.4.140.0110.00817.86
7.4.130.0070.01016.45
7.4.120.0100.00716.73
7.4.110.0120.01216.50
7.4.100.0110.00816.66
7.4.90.0120.01216.65
7.4.80.0100.00719.39
7.4.70.0140.00416.32
7.4.60.0140.00316.60
7.4.50.0060.00016.54
7.4.40.0070.01016.66
7.4.30.0090.00916.54
7.4.00.0050.01415.19
7.3.330.0030.00313.14
7.3.320.0050.00013.18
7.3.310.0070.00016.31
7.3.300.0070.00016.23
7.3.290.0080.00816.31
7.3.280.0070.00816.36
7.3.270.0130.00317.40
7.3.260.0150.00916.56
7.3.250.0080.00916.30
7.3.240.0150.00316.46
7.3.230.0200.00016.39
7.3.210.0130.00316.24
7.3.200.0080.01219.39
7.3.190.0080.00816.26
7.3.180.0080.00816.56
7.3.170.0110.00516.55
7.3.160.0070.01116.55
7.3.120.0140.00414.77
7.3.110.0070.01014.82
7.3.100.0000.01314.94
7.3.90.0140.00314.94
7.3.80.0030.01514.44
7.3.70.0060.01314.84
7.3.60.0040.01114.84
7.3.50.0040.01114.49
7.3.40.0030.01214.67
7.3.30.0090.00614.92
7.3.20.0030.00616.70
7.3.10.0020.01316.72
7.3.00.0040.00716.56
7.2.330.0060.01116.58
7.2.320.0070.01016.49
7.2.310.0120.00916.69
7.2.300.0070.01016.65
7.2.290.0150.00616.41
7.2.250.0080.01214.85
7.2.240.0090.00914.76
7.2.230.0040.01415.02
7.2.220.0110.00015.09
7.2.210.0030.01315.09
7.2.200.0060.01314.97
7.2.190.0000.01414.91
7.2.180.0100.00714.95
7.2.170.0060.01214.80
7.2.130.0060.00616.50
7.2.120.0000.01316.84
7.2.110.0030.01116.71
7.2.100.0060.01016.54
7.2.90.0000.01216.80
7.2.80.0080.00816.80
7.2.70.0100.00716.82
7.2.60.0050.01016.93
7.2.50.0060.00716.90
7.2.40.0000.01216.66
7.2.30.0030.01316.75
7.2.20.0030.01216.93
7.2.10.0060.00916.82
7.2.00.0080.00818.22
7.1.330.0090.00315.84
7.1.320.0090.00315.94
7.1.310.0070.01015.76
7.1.300.0000.00915.93
7.1.290.0140.00415.82
7.1.280.0120.00315.96
7.1.270.0030.00915.60
7.1.260.0100.00715.98
7.1.250.0070.00715.68
7.1.200.0070.00415.92
7.1.100.0030.01518.42
7.1.70.0000.01317.25
7.1.60.0130.01019.46
7.1.50.0000.01117.18
7.1.00.0030.07722.41
7.0.200.0000.00816.68
7.0.140.0070.06322.00
7.0.60.0130.05319.92
7.0.50.0130.07717.68
7.0.40.0070.05320.26
7.0.30.0130.04720.13
7.0.20.0370.04320.21
7.0.10.0100.03720.18
7.0.00.0100.06720.01
5.6.280.0100.07020.88
5.6.210.0230.06720.49
5.6.200.0070.04018.15
5.6.190.0070.05720.76
5.6.180.0230.04320.61
5.6.170.0430.07020.47
5.6.160.0000.05720.71
5.6.150.0130.04318.17
5.6.140.0070.07718.18
5.6.130.0070.07018.22
5.6.120.0100.04020.89
5.6.110.0070.05021.12
5.6.100.0130.08320.96
5.6.90.0030.04720.94
5.6.80.0100.07720.37
5.6.70.4000.03720.27
5.5.350.0100.06020.38
5.5.340.0100.05017.88
5.5.330.0100.04020.23
5.5.320.0430.06320.13
5.5.310.0170.04720.27
5.5.300.0030.06718.00
5.5.290.0030.05317.87
5.5.280.0030.04320.71
5.5.270.0030.08020.83
5.5.260.0130.07320.64
5.5.250.0100.08320.49
5.5.240.0170.07320.23
5.4.450.0230.04719.43
5.4.440.0270.04019.55
5.4.430.0100.04319.57
5.4.420.0500.03719.57
5.4.410.0400.03719.28
5.4.400.0430.03318.89
5.4.390.0370.04319.09
5.4.380.0370.05018.50
5.4.370.0470.05318.76
5.4.360.0270.05318.72
5.4.350.0330.05718.77
5.4.340.0400.04718.72
5.4.320.0060.03512.45
5.4.310.0030.04312.45
5.4.300.0070.03812.45
5.4.290.0020.04212.45
5.4.280.0110.03312.35
5.4.270.0060.03712.34
5.4.260.0080.03712.34
5.4.250.0040.04012.34
5.4.240.0060.03512.34
5.4.230.0060.03812.34
5.4.220.0080.03312.34
5.4.210.0070.03312.34
5.4.200.0040.03912.34
5.4.190.0070.03412.34
5.4.180.0090.03312.33
5.4.170.0050.03912.34
5.4.160.0060.03712.34
5.4.150.0060.03612.34
5.4.140.0060.03712.02
5.4.130.0040.03712.01
5.4.120.0060.03511.96
5.4.110.0080.03311.96
5.4.100.0090.03211.96
5.4.90.0080.04111.96
5.4.80.0110.04611.96
5.4.70.0070.04011.96
5.4.60.0080.03511.96
5.4.50.0030.03811.96
5.4.40.0040.03911.95
5.4.30.0070.03511.95
5.4.20.0050.03611.95
5.4.10.0080.03211.95
5.4.00.0070.03411.43
5.3.290.0040.04512.80
5.3.280.0070.04112.71
5.3.270.0100.04112.72
5.3.260.0070.04712.72
5.3.250.0070.04312.72
5.3.240.0100.04412.72
5.3.230.0080.03612.71
5.3.220.0070.03512.68
5.3.210.0080.03712.68
5.3.200.0060.03612.68
5.3.190.0080.03612.68
5.3.180.0060.03712.68
5.3.170.0050.03712.67
5.3.160.0040.03812.68
5.3.150.0060.03712.67
5.3.140.0090.03412.66
5.3.130.0080.03612.66
5.3.120.0070.03712.66
5.3.110.0070.03812.65
5.3.100.0030.04012.12
5.3.90.0060.03612.09
5.3.80.0050.03712.08
5.3.70.0070.03712.07
5.3.60.0070.03612.06
5.3.50.0050.03612.00
5.3.40.0090.03212.00
5.3.30.0050.03511.95
5.3.20.0090.03211.72
5.3.10.0070.03611.69
5.3.00.0070.03511.68
5.2.170.0080.0279.18
5.2.160.0030.0319.18
5.2.150.0030.0329.18
5.2.140.0030.0329.17
5.2.130.0040.0299.14
5.2.120.0040.0299.14
5.2.110.0030.0319.14
5.2.100.0060.0289.14
5.2.90.0040.0409.14
5.2.80.0050.0369.13
5.2.70.0030.0359.13
5.2.60.0060.0289.09
5.2.50.0060.0329.05
5.2.40.0040.0319.04
5.2.30.0050.0299.02
5.2.20.0040.0299.00
5.2.10.0080.0248.92
5.2.00.0040.0298.77
5.1.60.0050.0248.06
5.1.50.0060.0238.06
5.1.40.0030.0288.04
5.1.30.0050.0258.39
5.1.20.0030.0288.41
5.1.10.0020.0288.13
5.1.00.0040.0268.14
5.0.50.0020.0216.61
5.0.40.0020.0206.47
5.0.30.0010.0336.29
5.0.20.0040.0186.26
5.0.10.0050.0186.24
5.0.00.0020.0336.23
4.4.90.0020.0164.78
4.4.80.0030.0154.76
4.4.70.0030.0154.76
4.4.60.0020.0164.75
4.4.50.0030.0154.77
4.4.40.0000.0284.70
4.4.30.0050.0134.76
4.4.20.0040.0144.84
4.4.10.0020.0164.85
4.4.00.0020.0264.76
4.3.110.0020.0164.67
4.3.100.0030.0154.66
4.3.90.0020.0154.63
4.3.80.0040.0234.58
4.3.70.0010.0164.63
4.3.60.0050.0124.63
4.3.50.0010.0174.63
4.3.40.0040.0234.54
4.3.30.0040.0143.28
4.3.20.0020.0163.26
4.3.10.0020.0153.22
4.3.00.0000.01715.69

preferences:
54.64 ms | 401 KiB | 5 Q