3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "唧"; preg_match("/[\x{7fffffff}]+/u", $str, $mt); print_r($mt);

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)
8.3.40.0070.00718.81
8.3.30.0090.00618.69
8.3.20.0040.00418.74
8.3.10.0060.00318.81
8.3.00.0040.00419.38
8.2.170.0040.01122.96
8.2.160.0090.00620.98
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00420.83
8.2.110.0070.00319.33
8.2.100.0040.00817.78
8.2.90.0050.00319.34
8.2.80.0040.00419.25
8.2.70.0000.00917.50
8.2.60.0000.00818.04
8.2.50.0090.00018.07
8.2.40.0030.00518.22
8.2.30.0040.00418.01
8.2.20.0000.01017.63
8.2.10.0040.00417.55
8.2.00.0040.00417.63
8.1.270.0040.01123.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00522.52
8.1.230.0000.01321.04
8.1.220.0040.00417.74
8.1.210.0060.00618.77
8.1.200.0060.00317.23
8.1.190.0070.00017.26
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0040.00418.72
8.1.150.0040.00418.58
8.1.140.0040.00417.38
8.1.130.0000.00717.77
8.1.120.0070.00017.30
8.1.110.0080.00017.28
8.1.100.0040.00417.34
8.1.90.0040.00417.42
8.1.80.0070.00017.22
8.1.70.0030.00317.25
8.1.60.0000.00817.55
8.1.50.0030.00617.29
8.1.40.0040.00417.32
8.1.30.0030.00617.59
8.1.20.0050.00317.58
8.1.10.0000.00717.58
8.1.00.0120.00017.45
8.0.300.0000.00719.89
8.0.290.0050.00216.86
8.0.280.0040.00418.28
8.0.270.0030.00317.14
8.0.260.0070.00016.80
8.0.250.0070.00016.94
8.0.240.0000.00716.84
8.0.230.0070.00016.88
8.0.220.0000.00716.91
8.0.210.0030.00316.80
8.0.200.0030.00316.83
8.0.190.0030.00316.84
8.0.180.0080.00016.92
8.0.170.0030.00616.82
8.0.160.0030.00317.01
8.0.150.0030.00616.76
8.0.140.0080.00016.84
8.0.130.0000.00613.40
8.0.120.0070.00016.68
8.0.110.0000.00816.71
8.0.100.0040.00416.95
8.0.90.0070.00016.90
8.0.80.0060.00916.86
8.0.70.0000.00816.87
8.0.60.0040.00416.71
8.0.50.0070.00016.80
8.0.30.0120.00816.95
8.0.20.0090.00917.21
8.0.10.0030.00516.96
8.0.00.0100.01016.69
7.4.330.0000.00513.12
7.4.320.0030.00316.80
7.4.300.0060.00016.83
7.4.290.0050.00316.80
7.4.280.0040.00416.73
7.4.270.0030.00316.81
7.4.260.0000.00613.42
7.4.250.0040.00416.80
7.4.240.0040.00416.68
7.4.230.0000.00716.87
7.4.220.0090.00916.66
7.4.210.0080.00816.75
7.4.200.0000.00716.60
7.4.190.0000.00716.90
7.4.160.0100.00616.44
7.4.150.0130.00916.77
7.4.140.0110.00616.71
7.4.130.0100.00716.79
7.4.120.0080.01016.79
7.4.110.0170.00316.68
7.4.100.0160.00616.43
7.4.90.0130.01016.69
7.4.80.0110.00719.39
7.4.70.0060.01216.62
7.4.60.0100.00716.75
7.4.50.0060.00616.25
7.4.40.0000.01516.49
7.4.30.0130.00316.75
7.4.00.0060.00614.93
7.3.330.0000.00713.09
7.3.320.0030.00313.23
7.3.310.0000.00816.50
7.3.300.0070.00016.39
7.3.290.0230.01916.30
7.3.280.0090.00816.37
7.3.270.0070.01016.62
7.3.260.0100.00716.32
7.3.250.0100.01016.37
7.3.240.0170.00316.26
7.3.230.0100.00716.36
7.3.210.0080.00816.28
7.3.200.0070.01016.23
7.3.190.0110.00716.56
7.3.180.0130.00316.54
7.3.170.0150.00616.38
7.3.160.0190.00616.57
7.3.120.0180.00014.49
7.3.00.0110.00716.35
7.2.330.0090.00916.45
7.2.320.0120.01216.48
7.2.310.0030.01416.20
7.2.300.0130.00316.55
7.2.290.0100.00716.38
7.2.130.0030.01516.24
7.2.120.0100.00716.26
7.2.110.0110.00716.43
7.2.100.0110.00516.35
7.2.90.0110.00716.36
7.2.80.0130.00316.49
7.2.70.0060.00916.55
7.2.60.0150.00416.51
7.2.50.0100.00716.57
7.2.40.0060.02216.85
7.2.30.0190.01316.68
7.2.20.0200.01216.64
7.2.10.0080.02016.80
7.2.00.0060.01017.82
7.1.250.0090.00915.67
7.1.240.0080.01115.34
7.1.230.0070.00715.41
7.1.220.0150.00315.13
7.1.210.0120.00915.63
7.1.200.0110.00715.57
7.1.190.0100.01015.32
7.1.180.0120.00915.68
7.1.170.0180.00915.77
7.1.160.0220.00015.88
7.1.150.0150.01515.65
7.1.140.0150.01515.64
7.1.130.0080.01215.23
7.1.120.0140.00715.54
7.1.110.0220.00415.51
7.1.100.0130.00816.75
7.1.90.0180.00415.41
7.1.80.0210.01115.91
7.1.70.0150.00316.39
7.1.60.0130.01117.29
7.1.50.0120.00816.35
7.1.40.0130.00315.53
7.1.30.0090.00915.82
7.1.20.0120.00915.60
7.1.10.0140.00715.76
7.1.00.0070.04219.11
7.0.330.0110.00514.90
7.0.320.0180.00014.88
7.0.310.0090.00914.82
7.0.300.0100.00715.20
7.0.290.0180.00915.14
7.0.280.0180.00714.68
7.0.270.0130.00915.36
7.0.260.0130.00915.06
7.0.250.0100.01015.06
7.0.240.0150.00414.86
7.0.230.0240.00514.84
7.0.220.0220.00615.56
7.0.210.0170.01015.23
7.0.200.0190.00314.96
7.0.190.0150.00915.22
7.0.180.0070.01115.11
7.0.170.0110.00415.29
7.0.160.0150.00915.44
7.0.150.0230.00315.37
7.0.140.0040.04418.66
7.0.130.0130.00615.21
7.0.120.0120.03718.67
7.0.110.0150.00815.26
7.0.100.0150.00914.96
7.0.90.0100.00714.86
7.0.80.0090.00915.23
7.0.70.0100.00315.27
7.0.60.0100.03017.53
7.0.50.0110.01816.34
7.0.40.0080.03816.62
7.0.30.0240.03816.77
7.0.20.0150.04416.49
7.0.10.0200.02316.65
7.0.00.0050.04916.65
5.6.380.0080.00514.10
5.6.370.0110.00713.77
5.6.360.0020.01014.20
5.6.350.0070.00714.16
5.6.340.0100.00713.84
5.6.330.0130.00313.79
5.6.320.0080.00413.71
5.6.310.0100.00613.91
5.6.300.0080.01213.98
5.6.290.0040.01214.01
5.6.280.0070.01014.35
5.6.270.0030.01214.14
5.6.260.0100.00614.09
5.6.250.0130.00014.13
5.6.240.0070.01013.84
5.6.230.0060.00914.08
5.6.220.0090.00613.97
5.6.210.0030.03817.40
5.6.200.0070.02216.17
5.6.190.0060.04217.24
5.6.180.0220.02417.29
5.6.170.0150.02517.26
5.6.160.0070.03217.11
5.6.150.0050.02816.00
5.6.140.0110.03715.89
5.6.130.0050.02516.17
5.6.120.0080.04217.40
5.6.110.0100.03817.29
5.6.100.0110.04117.36
5.6.90.0140.03817.40
5.6.80.0030.05117.04
5.6.70.0110.03117.12
5.6.60.0030.01013.73
5.6.50.0070.01114.00
5.6.40.0090.00314.37
5.6.30.0050.01114.07
5.6.20.0000.01714.17
5.6.10.0050.01014.00
5.6.00.0070.01013.68
5.5.380.0050.00511.18
5.5.370.0090.00311.18
5.5.360.0060.00311.18
5.5.350.0170.03215.83
5.5.340.0050.04414.60
5.5.330.0040.02815.64
5.5.320.0090.04415.69
5.5.310.0100.03415.69
5.5.300.0030.04014.57
5.5.290.0080.03114.57
5.5.280.0030.02716.02
5.5.270.0130.03115.95
5.5.260.0030.04816.07
5.5.250.0070.03015.83
5.5.240.0080.03815.71
5.5.230.0030.00611.18
5.5.220.0120.00011.18
5.5.210.0000.01211.18
5.5.200.0050.00311.18
5.5.190.0040.00811.18
5.5.180.0000.01011.18
5.5.170.0030.01011.18
5.5.160.0060.00511.18
5.5.150.0030.00911.18
5.5.140.0060.00611.18
5.5.130.0080.00411.18
5.5.120.0050.00511.18
5.5.110.0000.01311.18
5.5.100.0080.00011.18
5.5.90.0030.00911.18
5.5.80.0050.00811.18
5.5.70.0030.00311.18
5.5.60.0040.00411.18
5.5.50.0000.01311.18
5.5.40.0030.00311.18
5.5.30.0080.00011.18
5.5.20.0000.01011.18
5.5.10.0080.00311.18
5.5.00.0000.00711.18
5.4.450.0080.04515.15
5.4.440.0050.04215.32
5.4.430.0090.03715.29
5.4.420.0120.03715.25
5.4.410.0090.02915.24
5.4.400.0100.03115.05
5.4.390.0100.03615.13
5.4.380.0030.03215.18
5.4.370.0080.03315.17
5.4.360.0110.03115.09
5.4.350.0060.03115.04
5.4.340.0100.04014.99
5.4.330.0060.00611.18
5.4.320.0080.03715.13
5.4.310.0090.03115.13
5.4.300.0060.03215.16
5.4.290.0070.04015.05
5.4.280.0030.04515.04
5.4.270.0030.04014.98
5.4.260.0060.04115.14
5.4.250.0090.03715.17
5.4.240.0050.03415.04
5.4.230.0090.03715.17
5.4.220.0050.03914.98
5.4.210.0090.02514.98
5.4.200.0100.03015.16
5.4.190.0060.02015.15
5.4.180.0020.02314.99
5.4.170.0020.03314.98
5.4.160.0120.03615.15
5.4.150.0060.02515.08
5.4.140.0050.02213.72
5.4.130.0080.03613.71
5.4.120.0020.02513.76
5.4.110.0050.04213.71
5.4.100.0030.04313.71
5.4.90.0070.03513.79
5.4.80.0050.02313.78
5.4.70.0030.03213.72
5.4.60.0030.02813.77
5.4.50.0020.02413.88
5.4.40.0030.02313.65
5.4.30.0040.02013.74
5.4.20.0050.02213.72
5.4.10.0020.02213.77
5.4.00.0030.02113.43
5.3.290.0100.03512.90
5.3.280.0080.02312.94
5.3.270.0030.03312.86
5.3.260.0060.03012.85
5.3.250.0070.01712.84
5.3.240.0030.02112.89
5.3.230.0060.02512.89
5.3.220.0060.02312.83
5.3.210.0040.03512.76
5.3.200.0020.04712.83
5.3.190.0100.03812.84
5.3.180.0080.03712.83
5.3.170.0090.02712.85
5.3.160.0020.02612.85
5.3.150.0040.02412.76
5.3.140.0100.03312.84
5.3.130.0030.02012.83
5.3.120.0030.02912.83
5.3.110.0060.02212.82
5.3.100.0000.02512.58
5.3.90.0000.02512.59
5.3.80.0070.01812.50
5.3.70.0030.02312.50
5.3.60.0020.03012.58
5.3.50.0030.02012.54
5.3.40.0030.02112.54
5.3.30.0070.01712.52
5.3.20.0000.02612.32
5.3.10.0050.01912.42
5.3.00.0020.02012.38
5.2.170.0030.01711.10
5.2.160.0020.01911.11
5.2.150.0030.01511.12
5.2.140.0020.01711.14
5.2.130.0060.01311.21
5.2.120.0040.01311.06
5.2.110.0030.01711.12
5.2.100.0040.01811.13
5.2.90.0030.01611.06
5.2.80.0010.01611.17
5.2.70.0020.01711.06
5.2.60.0050.01511.04
5.2.50.0020.02011.09
5.2.40.0000.02011.09
5.2.30.0030.01611.04
5.2.20.0030.01611.06
5.2.10.0020.01710.96
5.2.00.0020.01810.88
5.1.60.0070.01010.57
5.1.50.0040.01310.54
5.1.40.0020.01610.52
5.1.30.0030.01510.78
5.1.20.0000.01710.80
5.1.10.0040.01310.70
5.1.00.0020.01510.62
5.0.50.0000.0139.86
5.0.40.0010.0119.79
5.0.30.0000.0219.69
5.0.20.0030.0119.71
5.0.10.0080.0179.64
5.0.00.0000.0239.66
4.4.90.0010.0119.59
4.4.80.0040.0089.59
4.4.70.0040.0129.59
4.4.60.0030.0099.59
4.4.50.0000.0129.59
4.4.40.0030.0149.59
4.4.30.0020.0099.59
4.4.20.0050.0069.59
4.4.10.0020.0119.59
4.4.00.0000.0149.59
4.3.110.0020.0109.59
4.3.100.0020.0119.59
4.3.90.0020.0099.59
4.3.80.0040.0229.59
4.3.70.0050.0109.59
4.3.60.0030.0129.59
4.3.50.0010.0169.59
4.3.40.0040.0249.59
4.3.30.0050.0099.59
4.3.20.0000.0189.59
4.3.10.0020.0209.59
4.3.00.0000.0139.59

preferences:
42 ms | 400 KiB | 5 Q