3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_match('@^(?!<)\w@','test');

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)
8.3.40.0160.00019.02
8.3.30.0110.00319.09
8.3.20.0060.00320.34
8.3.10.0040.00423.48
8.3.00.0040.00420.64
8.2.170.0040.01122.96
8.2.160.0100.00720.38
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00822.43
8.2.110.0040.00722.20
8.2.100.0110.00017.72
8.2.90.0050.00219.05
8.2.80.0000.00817.97
8.2.70.0080.00017.50
8.2.60.0060.00317.92
8.2.50.0030.00618.07
8.2.40.0110.00018.16
8.2.30.0000.00717.93
8.2.20.0030.00517.71
8.2.10.0070.00017.74
8.2.00.0080.00017.76
8.1.270.0030.00623.82
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0030.00623.91
8.1.230.0120.00019.04
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0040.00417.28
8.1.180.0000.00818.10
8.1.170.0040.00418.55
8.1.160.0000.00822.00
8.1.150.0040.00418.64
8.1.140.0080.00017.52
8.1.130.0030.00317.82
8.1.120.0000.00717.47
8.1.110.0030.00517.54
8.1.100.0040.00417.43
8.1.90.0040.00417.49
8.1.80.0030.00317.48
8.1.70.0030.00317.32
8.1.60.0040.00417.61
8.1.50.0040.00417.42
8.1.40.0000.00817.58
8.1.30.0040.00417.47
8.1.20.0000.00817.73
8.1.10.0040.00417.58
8.1.00.0060.00317.48
8.0.300.0000.00718.77
8.0.290.0080.00017.05
8.0.280.0030.00318.36
8.0.270.0070.00017.21
8.0.260.0000.00716.89
8.0.250.0070.00016.90
8.0.240.0000.00816.99
8.0.230.0070.00016.96
8.0.220.0070.00016.87
8.0.210.0070.00016.77
8.0.200.0030.00616.85
8.0.190.0020.00516.96
8.0.180.0000.00716.93
8.0.170.0080.00016.96
8.0.160.0040.00416.97
8.0.150.0000.00716.89
8.0.140.0070.00016.90
8.0.130.0000.00713.33
8.0.120.0000.00816.75
8.0.110.0070.00016.86
8.0.100.0000.00816.77
8.0.90.0040.00416.97
8.0.80.0110.00516.94
8.0.70.0070.00017.01
8.0.60.0000.00816.94
8.0.50.0040.00416.96
8.0.30.0150.00917.15
8.0.20.0120.00717.40
8.0.10.0040.00417.01
8.0.00.0080.01116.83
7.4.330.0000.00515.00
7.4.320.0040.00416.59
7.4.300.0030.00316.56
7.4.290.0030.00316.66
7.4.280.0030.00616.54
7.4.270.0000.00716.59
7.4.260.0070.00016.60
7.4.250.0000.00716.63
7.4.240.0020.00516.59
7.4.230.0030.00316.43
7.4.220.0080.01316.64
7.4.210.0100.00816.66
7.4.200.0040.00416.47
7.4.190.0030.00516.77
7.4.160.0130.00316.40
7.4.150.0090.00917.40
7.4.140.0130.00417.86
7.4.130.0090.00916.51
7.4.120.0090.00816.54
7.4.110.0030.01316.59
7.4.100.0210.00016.64
7.4.90.0150.00716.59
7.4.80.0000.01819.39
7.4.70.0110.00516.61
7.4.60.0140.00316.55
7.4.50.0080.00016.43
7.4.40.0000.01422.77
7.4.30.0170.00316.56
7.4.10.0130.00315.04
7.4.00.0090.00514.94
7.3.330.0020.00213.20
7.3.320.0000.00513.19
7.3.310.0000.00716.21
7.3.300.0070.00016.30
7.3.290.0060.00916.23
7.3.280.0080.00916.24
7.3.270.0100.00617.40
7.3.260.0070.01016.28
7.3.250.0080.01216.45
7.3.240.0100.00616.41
7.3.230.0070.01016.39
7.3.210.0080.01116.37
7.3.200.0140.00419.39
7.3.190.0060.01416.32
7.3.180.0030.01316.49
7.3.170.0040.01216.32
7.3.160.0110.00416.39
7.3.130.0060.01214.82
7.3.120.0070.00914.87
7.3.110.0100.01015.08
7.3.100.0110.00415.14
7.3.90.0100.00015.07
7.3.80.0100.00714.57
7.3.70.0000.01214.79
7.3.60.0120.00314.90
7.3.50.0040.01114.86
7.3.40.0070.00714.94
7.3.30.0000.01114.95
7.3.20.0110.00416.43
7.3.10.0040.01416.73
7.3.00.0030.00716.72
7.2.330.0170.00616.66
7.2.320.0130.01016.77
7.2.310.0070.01016.78
7.2.300.0030.01316.44
7.2.290.0120.00416.75
7.2.260.0000.01815.07
7.2.250.0110.00015.06
7.2.240.0090.00615.00
7.2.230.0070.01115.24
7.2.220.0000.01714.93
7.2.210.0000.00915.05
7.2.200.0090.00614.96
7.2.190.0050.00514.95
7.2.180.0070.00315.03
7.2.170.0030.00615.23
7.2.160.0000.01315.18
7.2.150.0060.00917.04
7.2.140.0030.01416.78
7.2.130.0100.00316.71
7.2.120.0130.00316.93
7.2.110.0120.00317.11
7.2.100.0120.00016.93
7.2.90.0070.00716.88
7.2.80.0040.00716.97
7.2.70.0040.01216.75
7.2.60.0090.00616.59
7.2.50.0090.00317.03
7.2.40.0060.00916.81
7.2.30.0000.01416.80
7.2.20.0060.00916.75
7.2.10.0100.00316.96
7.2.00.0060.01018.20
7.1.330.0060.00615.91
7.1.320.0040.01115.94
7.1.310.0140.00315.86
7.1.300.0070.00716.02
7.1.290.0110.00416.02
7.1.280.0000.01615.62
7.1.270.0100.00715.73
7.1.260.0070.00715.81
7.1.250.0110.00415.93
7.1.240.0040.01116.05
7.1.230.0030.00615.98
7.1.220.0030.01015.81
7.1.210.0050.00515.80
7.1.200.0050.00815.73
7.1.190.0070.00715.98
7.1.180.0100.00315.90
7.1.170.0080.00015.90
7.1.160.0120.00015.85
7.1.150.0060.00715.82
7.1.140.0060.00615.71
7.1.130.0040.00415.78
7.1.120.0030.01415.58
7.1.110.0060.01015.86
7.1.100.0030.00617.04
7.1.90.0060.00615.83
7.1.80.0030.01115.97
7.1.70.0070.00516.62
7.1.60.0100.01017.59
7.1.50.0050.01116.43
7.1.40.0100.00715.52
7.1.30.0030.00715.79
7.1.20.0030.01315.78
7.1.10.0050.00515.54
7.1.00.0020.04419.06
7.0.330.0060.00615.38
7.0.320.0000.01215.25
7.0.310.0070.01115.65
7.0.300.0040.00415.29
7.0.290.0060.01015.31
7.0.280.0130.00015.65
7.0.270.0040.01215.21
7.0.260.0070.00715.43
7.0.250.0060.01015.56
7.0.240.0000.01515.53
7.0.230.0050.00515.42
7.0.220.0000.01115.25
7.0.210.0110.00715.25
7.0.200.0050.01016.07
7.0.190.0090.00315.24
7.0.180.0070.00715.53
7.0.170.0140.00015.58
7.0.160.0030.00715.33
7.0.150.0030.01015.48
7.0.140.0110.03418.70
7.0.130.0030.00715.57
7.0.120.0040.01115.50
7.0.110.0060.00615.61
7.0.100.0150.04617.60
7.0.90.0090.03517.73
7.0.80.0050.04617.71
7.0.70.0080.04517.55
7.0.60.0100.04717.70
7.0.50.0070.04717.87
7.0.40.0030.04616.74
7.0.30.0060.04716.70
7.0.20.0050.04516.75
7.0.10.0050.04616.73
7.0.00.0070.04616.86
5.6.400.0030.01314.30
5.6.390.0050.00914.24
5.6.380.0000.01314.46
5.6.370.0000.01214.49
5.6.360.0070.00714.14
5.6.350.0030.00914.20
5.6.340.0070.00414.41
5.6.330.0090.00913.98
5.6.320.0130.00314.54
5.6.310.0120.00614.45
5.6.300.0050.00514.38
5.6.290.0000.01214.43
5.6.280.0030.04217.64
5.6.270.0070.00714.44
5.6.260.0030.00614.27
5.6.250.0120.03517.39
5.6.240.0070.04317.41
5.6.230.0090.04217.33
5.6.220.0030.02917.44
5.6.210.0090.04217.31
5.6.200.0000.05017.54
5.6.190.0080.04517.58
5.6.180.0100.04017.73
5.6.170.0070.04617.62
5.6.160.0090.04217.62
5.6.150.0030.02917.55
5.6.140.0100.03817.68
5.6.130.0070.04517.62
5.6.120.0020.04917.48
5.6.110.0120.03717.67
5.6.100.0100.03317.67
5.6.90.0050.04817.58
5.6.80.0070.02617.31
5.6.70.0090.04017.31
5.6.60.0070.04017.27
5.6.50.0050.04317.35
5.6.40.0100.03217.21
5.6.30.0070.04417.14
5.6.20.0140.03817.30
5.6.10.0020.03217.23
5.6.00.0050.04417.38
5.5.380.0110.04117.38
5.5.370.0040.02917.36
5.5.360.0130.04017.37
5.5.350.0070.04317.23
5.5.340.0080.04317.46
5.5.330.0070.04517.44
5.5.320.0070.02717.47
5.5.310.0090.04317.63
5.5.300.0030.02817.54
5.5.290.0030.04617.49
5.5.280.0030.04717.65
5.5.270.0070.04217.33
5.5.260.0110.04117.46
5.5.250.0030.04617.38
5.5.240.0030.04717.14
5.5.230.0100.03817.12
5.5.220.0050.04417.10
5.5.210.0050.04617.08
5.5.200.0070.04517.18
5.5.190.0060.04517.21
5.5.180.0080.04317.19
5.5.170.0110.00314.27
5.5.160.0020.04917.11
5.5.150.0080.04217.14
5.5.140.0030.03117.06
5.5.130.0100.03717.23
5.5.120.0100.03517.22
5.5.110.0030.03417.11
5.5.100.0050.04516.96
5.5.90.0080.04117.13
5.5.80.0030.04616.98
5.5.70.0080.03717.00
5.5.60.0070.04216.97
5.5.50.0080.03816.97
5.5.40.0110.02516.99
5.5.30.0030.04717.15
5.5.20.0060.04616.94
5.5.10.0070.04316.92
5.5.00.0050.04316.95
5.4.450.0050.04315.18
5.4.440.0070.03615.13
5.4.430.0070.04215.01
5.4.420.0110.03815.13
5.4.410.0050.02615.07
5.4.400.0020.03815.01
5.4.390.0080.02914.74
5.4.380.0080.03214.81
5.4.370.0050.03714.93
5.4.360.0100.03515.08
5.4.350.0000.04515.04
5.4.340.0090.03915.11
5.4.330.0050.00310.61
5.4.320.0020.04314.99
5.4.310.0100.03714.83
5.4.300.0060.04314.86
5.4.290.0030.04214.98
5.4.280.0050.04514.81
5.4.270.0120.03514.86
5.4.260.0080.02314.89
5.4.250.0070.03914.94
5.4.240.0130.03215.01
5.4.230.0100.03714.67
5.4.220.0030.02714.75
5.4.210.0120.03314.87
5.4.200.0030.04614.88
5.4.190.0030.04414.96
5.4.180.0080.03515.08
5.4.170.0100.03814.97
5.4.160.0030.04214.87
5.4.150.0030.03614.72
5.4.140.0030.04113.74
5.4.130.0030.03813.63
5.4.120.0050.04113.60
5.4.110.0030.02713.54
5.4.100.0070.03513.63
5.4.90.0030.04013.51
5.4.80.0070.03613.63
5.4.70.0030.03713.46
5.4.60.0050.02813.47
5.4.50.0020.04213.57
5.4.40.0030.04113.67
5.4.30.0020.04013.42
5.4.20.0030.03313.66
5.4.10.0050.03713.60
5.4.00.0050.02313.37
5.3.290.0100.03512.56
5.3.280.0070.04212.46
5.3.270.0050.03612.52
5.3.260.0030.04312.48
5.3.250.0080.03812.39
5.3.240.0100.03912.51
5.3.230.0080.03512.44
5.3.220.0030.04412.33
5.3.210.0050.04212.37
5.3.200.0020.03012.41
5.3.190.0070.04112.34
5.3.180.0110.03212.34
5.3.170.0090.03012.36
5.3.160.0030.04312.33
5.3.150.0070.03712.44
5.3.140.0050.03512.47
5.3.130.0070.04012.50
5.3.120.0050.04112.47
5.3.110.0030.03812.49
5.3.100.0050.04412.17
5.3.90.0030.04012.13
5.3.80.0080.02012.11
5.3.70.0050.04212.08
5.3.60.0030.04212.09
5.3.50.0100.03212.13
5.3.40.0020.03012.01
5.3.30.0080.03712.00
5.3.20.0020.04112.02
5.3.10.0130.03011.66
5.3.00.0050.03411.76
5.2.170.0030.06711.20
5.2.160.0100.05011.00
5.2.150.0070.06011.13
5.2.140.0030.06711.13
5.2.130.0100.05711.08
5.2.120.0070.03710.91
5.2.110.0070.05710.96
5.2.100.0100.05710.94
5.2.90.0100.05711.09
5.2.80.0070.06011.05
5.2.70.0170.05011.04
5.2.60.0070.06311.02
5.2.50.0100.05711.02
5.2.40.0100.05311.02
5.2.30.0070.03710.77
5.2.20.0130.04710.84
5.2.10.0000.06010.99
5.2.00.0000.03710.71
5.1.60.0130.04310.07
5.1.50.0000.0309.98
5.1.40.0030.05310.00
5.1.30.0100.05010.36
5.1.20.0070.05010.26
5.1.10.0030.05310.19
5.1.00.0070.0579.91
5.0.50.0070.0439.64
5.0.40.0030.0479.64
5.0.30.0000.0639.64
5.0.20.0000.0279.64
5.0.10.0030.0409.64
5.0.00.0070.0609.64
4.4.90.0070.0309.64
4.4.80.0000.0209.64
4.4.70.0000.0379.64
4.4.60.0030.0339.64
4.4.50.0000.0379.64
4.4.40.0030.0539.64
4.4.30.0070.0339.64
4.4.20.0000.0339.64
4.4.10.0030.0339.64
4.4.00.0030.0539.64
4.3.110.0000.0379.64
4.3.100.0030.0339.64
4.3.90.0000.0209.64
4.3.80.0030.0509.64
4.3.70.0100.0279.64
4.3.60.0030.0309.64
4.3.50.0030.0179.64
4.3.40.0070.0479.64
4.3.30.0000.0409.64
4.3.20.0000.0179.64
4.3.10.0000.0239.64
4.3.00.0070.0109.64

preferences:
44.7 ms | 400 KiB | 5 Q