3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('//u', "\xE4B880")); var_dump(preg_match('//u', "\xF0A0808B")); var_dump(mb_convert_encoding('𠀋 ', 'UTF-8', 'UTF-8'));

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)
8.3.60.0110.00316.38
8.3.50.0170.00522.96
8.3.40.0110.00418.79
8.3.30.0080.00519.01
8.3.20.0040.00420.07
8.3.10.0070.00023.71
8.3.00.0030.00619.38
8.2.180.0040.01118.64
8.2.170.0090.00622.96
8.2.160.0110.00420.50
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.06
8.2.110.0100.00021.02
8.2.100.0110.00517.79
8.2.90.0000.00817.75
8.2.80.0060.00317.97
8.2.70.0000.00817.87
8.2.60.0080.00017.80
8.2.50.0000.00918.10
8.2.40.0030.00620.52
8.2.30.0040.00417.82
8.2.20.0040.00417.67
8.2.10.0040.00417.84
8.2.00.0040.00417.75
8.1.280.0130.00625.92
8.1.270.0000.00822.08
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00423.83
8.1.230.0060.00620.79
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0040.00418.83
8.1.160.0000.00721.95
8.1.150.0030.00618.85
8.1.140.0000.00817.49
8.1.130.0000.00817.72
8.1.120.0040.00417.59
8.1.110.0040.00417.58
8.1.100.0000.00717.40
8.1.90.0030.00317.47
8.1.80.0030.00317.60
8.1.70.0070.00017.41
8.1.60.0080.00017.67
8.1.50.0040.00417.58
8.1.40.0000.00717.47
8.1.30.0030.00617.73
8.1.20.0040.00417.72
8.1.10.0000.00817.48
8.1.00.0040.00417.48
8.0.300.0000.00821.62
8.0.290.0090.00016.75
8.0.280.0050.00218.41
8.0.270.0070.00017.20
8.0.260.0000.00617.25
8.0.250.0040.00417.12
8.0.240.0040.00417.09
8.0.230.0040.00417.13
8.0.220.0030.00317.08
8.0.210.0030.00316.89
8.0.200.0000.00617.05
8.0.190.0040.00417.04
8.0.180.0030.00617.03
8.0.170.0040.00417.09
8.0.160.0000.00716.91
8.0.150.0000.00716.90
8.0.140.0000.00816.95
8.0.130.0000.00713.41
8.0.120.0050.00317.02
8.0.110.0070.00016.91
8.0.100.0040.00416.92
8.0.90.0030.00317.00
8.0.80.0060.00916.91
8.0.70.0000.00716.85
8.0.60.0030.00316.86
8.0.50.0030.00517.05
8.0.30.0110.00816.99
8.0.20.0080.01117.40
8.0.10.0040.00417.04
8.0.00.0100.00716.76
7.4.330.0040.00315.00
7.4.320.0030.00316.71
7.4.300.0000.00616.70
7.4.290.0000.00716.75
7.4.280.0040.00416.72
7.4.270.0030.00316.73
7.4.260.0070.00016.71
7.4.250.0000.00716.74
7.4.240.0030.00516.63
7.4.230.0030.00316.67
7.4.220.0140.00416.78
7.4.210.0030.01016.61
7.4.200.0050.00216.70
7.4.160.0120.00316.58
7.4.150.0070.01017.40
7.4.140.0100.00617.86
7.4.130.0090.00716.65
7.4.120.0100.00816.63
7.4.110.0030.01516.38
7.4.100.0160.00416.60
7.4.90.0090.00916.56
7.4.80.0110.00619.39
7.4.70.0100.00716.67
7.4.60.0100.00616.67
7.4.50.0080.00016.57
7.4.40.0120.00616.78
7.4.30.0070.00716.40
7.4.00.0030.01515.23
7.3.330.0000.00613.26
7.3.320.0000.00513.20
7.3.310.0000.00716.35
7.3.300.0040.00416.40
7.3.290.0030.01016.40
7.3.280.0060.00916.44
7.3.270.0140.00317.40
7.3.260.0100.00916.30
7.3.250.0100.00716.49
7.3.240.0100.00616.24
7.3.230.0090.01316.39
7.3.210.0100.00716.34
7.3.200.0100.00719.39
7.3.190.0150.00616.41
7.3.180.0040.01216.23
7.3.170.0090.00616.51
7.3.160.0060.01016.50
7.3.10.0030.01016.80
7.3.00.0120.00316.54
7.2.330.0030.01516.57
7.2.320.0090.00616.66
7.2.310.0060.01216.52
7.2.300.0060.01216.70
7.2.290.0140.00716.52
7.2.130.0030.01316.95
7.2.120.0060.01016.71
7.2.110.0110.00316.91
7.2.100.0160.00916.86
7.2.90.0150.00616.71
7.2.80.0100.00716.79
7.2.70.0090.01316.63
7.2.60.0000.00917.11
7.2.50.0100.00716.98
7.2.40.0090.00017.13
7.2.30.0150.00316.81
7.2.20.0100.01417.10
7.2.10.0120.00416.61
7.2.00.0050.00818.07
7.1.250.0120.00315.79
7.1.240.0060.00615.67
7.1.230.0070.00715.50
7.1.220.0040.00715.94
7.1.210.0080.00815.57
7.1.200.0030.01315.59
7.1.190.0040.01115.73
7.1.180.0120.00615.90
7.1.170.0120.00315.84
7.1.160.0000.01116.04
7.1.150.0030.00615.55
7.1.140.0120.00015.63
7.1.130.0060.00615.70
7.1.120.0120.00615.98
7.1.110.0000.01215.76
7.1.100.0080.00616.89
7.1.90.0060.00315.94
7.1.80.0040.01115.60
7.1.70.0050.00816.45
7.1.60.0090.00917.65
7.1.50.0050.00816.57
7.1.40.0100.00615.90
7.1.30.0000.01315.80
7.1.20.0040.01115.84
7.1.10.0090.00915.94
7.1.00.0070.04219.04
7.0.330.0030.01315.50
7.0.320.0060.00615.59
7.0.310.0000.01315.32
7.0.300.0000.01415.27
7.0.290.0030.01315.41
7.0.280.0030.00615.41
7.0.270.0080.00315.31
7.0.260.0000.00715.29
7.0.250.0000.01415.48
7.0.240.0040.00715.35
7.0.230.0100.00315.44
7.0.220.0070.00715.31
7.0.210.0030.01415.36
7.0.200.0060.00716.07
7.0.190.0030.01015.34
7.0.180.0090.00915.46
7.0.170.0060.00915.48
7.0.160.0040.00915.40
7.0.150.0110.00415.50
7.0.140.0120.04018.70
7.0.130.0040.01015.17
7.0.120.0070.00715.64
7.0.110.0030.01215.53
7.0.100.0120.00815.44
7.0.90.0060.00915.24
7.0.80.0070.01015.57
7.0.70.0090.00615.36
7.0.60.0100.02517.85
7.0.50.0050.04216.73
7.0.40.0060.04416.75
7.0.30.0160.02716.76
7.0.20.0150.03816.81
7.0.10.0080.02516.68
7.0.00.0120.03316.74
5.6.380.0000.01414.51
5.6.370.0020.00514.54
5.6.360.0030.01313.78
5.6.350.0030.00714.28
5.6.340.0080.00614.16
5.6.330.0000.00814.07
5.6.320.0070.00014.08
5.6.310.0060.01013.73
5.6.300.0060.01014.18
5.6.290.0110.00314.07
5.6.280.0030.04117.63
5.6.270.0060.00914.15
5.6.260.0000.01514.09
5.6.250.0030.01314.01
5.6.240.0080.00814.12
5.6.230.0120.00914.07
5.6.220.0030.00714.26
5.6.210.0120.03717.30
5.6.200.0050.02716.06
5.6.190.0090.04617.13
5.6.180.0020.02817.26
5.6.170.0270.04017.27
5.6.160.0100.02217.20
5.6.150.0060.02916.23
5.6.140.0070.04216.11
5.6.130.0070.04516.08
5.6.120.0090.02217.63
5.6.110.0100.03017.45
5.6.100.0130.04517.53
5.6.90.0150.02517.55
5.6.80.0170.03617.27
5.6.70.2250.02817.13
5.6.60.0130.01714.21
5.6.50.0150.01513.68
5.6.40.0260.01113.94
5.6.30.0310.00613.94
5.6.20.0230.00414.00
5.6.10.0070.01013.93
5.6.00.0000.00813.99
5.5.380.0030.01010.95
5.5.370.0060.00610.90
5.5.360.0030.00610.82
5.5.350.0090.04115.62
5.5.340.0050.04314.34
5.5.330.0060.02315.61
5.5.320.0180.03215.63
5.5.310.0100.02715.72
5.5.300.0060.02614.40
5.5.290.0050.04314.38
5.5.280.0110.02615.86
5.5.270.0100.04315.79
5.5.260.0080.04615.74
5.5.250.0060.05015.60
5.5.240.0100.04715.40
5.5.230.0110.00710.77
5.5.220.0280.00310.95
5.5.210.0150.00810.82
5.5.200.0050.01110.83
5.5.190.0050.00510.82
5.5.180.0030.01010.86
5.5.170.0050.00910.90
5.5.160.0070.00410.82
5.5.150.0030.00910.84
5.5.140.0030.00810.63
5.5.130.0100.00710.84
5.5.120.0000.00710.94
5.5.110.0150.00410.50
5.5.100.0150.00410.79
5.5.90.0030.01010.99
5.5.80.0070.00710.77
5.5.70.0080.00410.36
5.5.60.0030.00310.77
5.5.50.0030.00610.64
5.5.40.0030.00910.94
5.5.30.0040.00410.85
5.5.20.0090.00610.98
5.5.10.0070.00410.93
5.5.00.0040.00710.91
5.4.450.0180.03215.00
5.4.440.0150.02315.13
5.4.430.0120.02314.98
5.4.420.0160.02515.07
5.4.410.0150.02314.98
5.4.400.0180.02314.95
5.4.390.0130.02815.03
5.4.380.0290.03314.63
5.4.370.0290.02814.69
5.4.360.0250.02314.62
5.4.350.0280.02714.67
5.4.340.0200.03014.60
5.4.330.0030.00910.82
5.4.320.0040.02611.53
5.4.310.0040.02211.52
5.4.300.0060.02411.50
5.4.290.0050.02211.71
5.4.280.0070.02211.65
5.4.270.0040.02211.67
5.4.260.0050.02611.57
5.4.250.0070.02011.58
5.4.240.0070.02211.59
5.4.230.0060.02211.61
5.4.220.0080.02211.58
5.4.210.0060.02011.59
5.4.200.0090.01911.46
5.4.190.0040.02411.54
5.4.180.0060.02311.60
5.4.170.0070.01911.68
5.4.160.0020.02411.54
5.4.150.0040.02311.58
5.4.140.0070.02211.47
5.4.130.0090.02111.46
5.4.120.0040.02311.34
5.4.110.0060.01911.27
5.4.100.0020.02411.35
5.4.90.0090.02011.31
5.4.80.0060.02011.31
5.4.70.0090.01811.47
5.4.60.0030.02511.44
5.4.50.0070.01811.29
5.4.40.0040.02011.44
5.4.30.0060.02111.41
5.4.20.0060.02111.42
5.4.10.0060.01811.21
5.4.00.0070.02311.01
5.3.290.0060.02311.61
5.3.280.0040.02211.54
5.3.270.0040.02311.62
5.3.260.0020.02311.54
5.3.250.0050.02211.57
5.3.240.0050.02511.47
5.3.230.0090.01911.54
5.3.220.0070.02311.46
5.3.210.0030.02411.60
5.3.200.0070.01911.46
5.3.190.0080.02211.58
5.3.180.0090.01911.57
5.3.170.0080.02211.57
5.3.160.0060.02111.58
5.3.150.0080.02311.58
5.3.140.0060.02111.48
5.3.130.0060.02411.50
5.3.120.0060.02111.45
5.3.110.0030.02911.54
5.3.100.0050.02111.29
5.3.90.0040.02311.25
5.3.80.0070.02011.09
5.3.70.0060.01911.20
5.3.60.0040.02411.26
5.3.50.0070.02111.09
5.3.40.0100.02011.10
5.3.30.0060.02111.09
5.3.20.0070.02210.93
5.3.10.0060.02010.90
5.3.00.0040.02310.94
5.2.170.0030.0189.55
5.2.160.0050.0159.55
5.2.150.0060.0169.55
5.2.140.0030.0209.55
5.2.130.0030.0199.53
5.2.120.0070.0179.53
5.2.110.0050.0159.53
5.2.100.0060.0159.53
5.2.90.0070.0149.53
5.2.80.0030.0179.53
5.2.70.0030.0229.53
5.2.60.0050.0209.50
5.2.50.0040.0189.49
5.2.40.0070.0169.48
5.2.30.0060.0169.47
5.2.20.0070.0179.46
5.2.10.0040.0169.42
5.2.00.0060.0159.35
5.1.60.0020.0178.99
5.1.50.0080.0118.99
5.1.40.0050.0138.98
5.1.30.0030.0149.16
5.1.20.0030.0169.17
5.1.10.0030.0149.03
5.1.00.0010.0179.03
5.0.50.0030.0148.27
5.0.40.0040.0108.20
5.0.30.0060.0168.11
5.0.20.0010.0148.09
5.0.10.0020.0128.08
5.0.00.0030.0178.08
4.4.90.0040.0087.35
4.4.80.0020.0117.34
4.4.70.0010.0127.34
4.4.60.0050.0087.34
4.4.50.0040.0077.35
4.4.40.0020.0157.32
4.4.30.0010.0117.34
4.4.20.0040.0077.39
4.4.10.0010.0117.39
4.4.00.0030.0157.34
4.3.110.0030.0117.30
4.3.100.0050.0077.29
4.3.90.0040.0097.28
4.3.80.0040.0137.25
4.3.70.0020.0097.28
4.3.60.0030.0097.27
4.3.50.0010.0127.28
4.3.40.0040.0177.23
4.3.30.0040.0096.60
4.3.20.0030.0106.59
4.3.10.0040.0106.57
4.3.00.0030.01012.81

preferences:
51.74 ms | 401 KiB | 5 Q