3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo !!preg_match("/[a-z]/", "a1\x00"); ?>

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)
8.3.60.0070.01418.24
8.3.50.0110.00822.11
8.3.40.0070.01118.79
8.3.30.0040.01118.94
8.3.20.0030.00518.90
8.3.10.0080.00021.05
8.3.00.0050.00523.69
8.2.180.0170.00316.75
8.2.170.0130.00722.96
8.2.160.0070.00720.39
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0030.00526.16
8.2.120.0040.00421.06
8.2.110.0030.00622.26
8.2.100.0080.00317.91
8.2.90.0080.00019.09
8.2.80.0060.00317.97
8.2.70.0000.01117.75
8.2.60.0090.00017.93
8.2.50.0000.00818.07
8.2.40.0000.00718.09
8.2.30.0000.00719.91
8.2.20.0040.00417.79
8.2.10.0040.00417.64
8.2.00.0040.00417.80
8.1.280.0040.01125.92
8.1.270.0060.00323.99
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0070.00322.34
8.1.230.0060.00520.91
8.1.220.0050.00318.77
8.1.210.0080.00019.04
8.1.200.0030.00717.35
8.1.190.0040.00417.55
8.1.180.0020.00518.10
8.1.170.0000.00818.70
8.1.160.0000.00718.82
8.1.150.0040.00418.62
8.1.140.0000.00717.52
8.1.130.0070.00017.81
8.1.120.0000.00717.45
8.1.110.0040.00417.56
8.1.100.0000.00717.46
8.1.90.0090.00017.44
8.1.80.0040.00417.55
8.1.70.0070.00017.45
8.1.60.0000.00817.66
8.1.50.0030.00517.46
8.1.40.0040.00417.48
8.1.30.0040.00417.73
8.1.20.0000.00817.69
8.1.10.0040.00417.57
8.1.00.0000.00817.50
8.0.300.0040.00419.90
8.0.290.0040.00416.75
8.0.280.0040.00418.44
8.0.270.0000.00817.16
8.0.260.0070.00016.92
8.0.250.0070.00016.99
8.0.240.0030.00517.02
8.0.230.0030.00317.00
8.0.220.0020.00517.00
8.0.210.0040.00417.00
8.0.200.0070.00017.09
8.0.190.0040.00417.00
8.0.180.0060.00317.04
8.0.170.0040.00416.86
8.0.160.0070.00016.95
8.0.150.0000.00716.91
8.0.140.0040.00416.88
8.0.130.0030.00513.35
8.0.120.0000.00716.81
8.0.110.0040.00416.83
8.0.100.0040.00416.77
8.0.90.0040.00417.07
8.0.80.0070.01416.96
8.0.70.0040.00416.88
8.0.60.0000.00717.01
8.0.50.0040.00416.98
8.0.30.0140.00717.21
8.0.20.0090.01017.41
8.0.10.0040.00417.09
8.0.00.0110.00716.77
7.4.330.0000.00514.85
7.4.320.0060.00016.63
7.4.300.0030.00316.76
7.4.290.0000.00716.64
7.4.280.0000.00716.54
7.4.270.0000.00716.74
7.4.260.0000.00813.40
7.4.250.0070.00016.64
7.4.240.0030.00316.51
7.4.230.0000.00716.75
7.4.220.0100.00716.67
7.4.210.0090.00616.64
7.4.200.0050.00216.55
7.4.190.0050.00216.74
7.4.160.0140.00316.76
7.4.150.0110.00717.40
7.4.140.0150.02617.86
7.4.130.0100.00616.64
7.4.120.0110.00616.56
7.4.110.0090.00916.75
7.4.100.0140.00316.60
7.4.90.0060.01016.62
7.4.80.0100.00719.37
7.4.70.0090.00816.59
7.4.60.0030.01316.57
7.4.50.0090.00016.32
7.4.40.0090.00622.27
7.4.30.0130.00316.53
7.4.00.0030.01214.69
7.3.330.0050.00013.18
7.3.320.0070.00013.15
7.3.310.0000.00716.33
7.3.300.0070.00016.26
7.3.290.0070.00716.30
7.3.280.0110.00716.27
7.3.270.0110.00717.40
7.3.260.0160.00518.24
7.3.250.0110.01016.41
7.3.240.0040.01216.44
7.3.230.0060.01116.50
7.3.210.0130.01016.55
7.3.200.0140.00319.39
7.3.190.0100.01016.71
7.3.180.0100.00716.34
7.3.170.0120.00316.27
7.3.160.0110.00316.38
7.3.120.0120.00314.65
7.3.110.0100.00715.00
7.3.100.0140.00314.72
7.3.90.0000.01314.59
7.3.80.0100.00315.05
7.3.70.0090.00314.92
7.3.60.0040.00814.86
7.3.50.0110.00414.69
7.3.40.0030.00914.82
7.3.30.0060.00914.93
7.3.20.0070.00716.74
7.3.10.0070.00716.76
7.3.00.0030.00716.86
7.2.330.0070.01416.65
7.2.320.0110.01116.46
7.2.310.0120.00916.62
7.2.300.0100.00716.78
7.2.290.0030.01416.71
7.2.240.0030.01214.97
7.2.230.0070.00715.08
7.2.220.0090.00914.89
7.2.210.0060.01214.87
7.2.200.0030.00915.20
7.2.190.0040.00815.07
7.2.180.0070.01015.04
7.2.170.0030.01315.02
7.2.160.0100.00314.96
7.2.150.0080.00817.12
7.2.140.0110.00317.07
7.2.130.0040.01117.05
7.2.120.0070.01017.08
7.2.110.0060.00316.98
7.2.100.0070.00316.88
7.2.90.0090.00617.08
7.2.80.0040.01116.79
7.2.70.0040.01116.95
7.2.60.0000.01316.91
7.2.50.0110.00416.85
7.2.40.0070.00716.83
7.2.30.0030.01016.73
7.2.20.0040.01116.74
7.2.10.0040.01217.05
7.2.00.0040.00918.13
7.1.330.0100.00315.77
7.1.320.0090.00615.48
7.1.310.0030.00915.52
7.1.300.0030.01016.03
7.1.290.0040.00415.45
7.1.280.0070.00415.99
7.1.270.0100.00315.82
7.1.260.0000.01315.68
7.1.250.0040.00815.85
7.1.100.0030.00718.10
7.1.70.0000.00917.34
7.1.60.0070.01719.40
7.1.50.0170.00716.94
7.1.00.0030.05722.47
7.0.200.0030.01014.70
7.0.140.0000.07722.15
7.0.60.0070.05019.95
7.0.50.0070.05717.92
7.0.40.0200.07720.22
7.0.30.0230.05320.15
7.0.20.0300.08320.25
7.0.10.0130.08720.02
7.0.00.0100.04020.19
5.6.280.0170.06021.12
5.6.210.0030.04720.43
5.6.200.0070.08718.11
5.6.190.0000.08320.56
5.6.180.0230.05020.57
5.6.170.0170.05020.55
5.6.160.0100.08020.32
5.6.150.0030.03718.11
5.6.140.0030.04318.20
5.6.130.0100.07318.20
5.6.120.0070.07721.02
5.6.110.0070.08020.98
5.6.100.0130.07320.97
5.6.90.0100.07020.96
5.6.80.0170.07320.52
5.5.350.0270.07720.43
5.5.340.0030.08317.92
5.5.330.0070.04720.38
5.5.320.0530.08020.21
5.5.310.0230.03720.35
5.5.300.0000.07717.98
5.5.290.0070.07318.02
5.5.280.0100.08020.89
5.5.270.0030.04720.75
5.5.260.0030.08320.75
5.5.250.0070.04020.67
5.5.240.0370.07020.14
5.4.450.4000.03719.11
5.4.440.3430.04019.26
5.4.430.3600.04019.20
5.4.420.2370.03719.25
5.4.410.3630.04019.27
5.4.400.0030.03719.14
5.4.390.3300.03719.13
5.4.380.3400.03719.26
5.4.370.3530.03719.09
5.4.360.3030.03719.21
5.4.350.3800.05018.93
5.4.340.3430.03719.08
5.4.320.3230.03719.22
5.4.310.3470.03719.10
5.4.300.3270.03319.09
5.4.290.3270.04019.13
5.4.280.3000.04019.15
5.4.270.1970.04319.08
5.4.260.2330.04018.80
5.4.250.2970.04019.06
5.4.240.2970.04718.92
5.4.230.2100.03319.12
5.4.220.3270.04019.24
5.4.210.3230.04319.05
5.4.200.3370.03718.80
5.4.190.3830.04719.07
5.4.180.4270.04019.12
5.4.170.3400.03719.20
5.4.160.3430.03719.06
5.4.150.3400.03718.90
5.4.140.3430.03016.45
5.4.130.3500.03716.32
5.4.120.3500.03016.25
5.4.110.4070.03716.27
5.4.100.3470.03016.50
5.4.90.3470.03716.49
5.4.80.3730.02016.41
5.4.70.3600.03716.37
5.4.60.3700.03316.18
5.4.50.4070.04016.24
5.4.40.3730.03716.28
5.4.30.3700.03716.36
5.4.20.3500.02716.16
5.4.10.3930.04316.36
5.4.00.3600.03015.70
5.3.290.3400.03014.59
5.3.280.3070.03014.42
5.3.270.3430.03714.55
5.3.260.3700.04014.46
5.3.250.4130.04014.51
5.3.240.3570.03714.55
5.3.230.3370.04714.62
5.3.220.3430.03714.51
5.3.210.3600.04014.48
5.3.200.3600.03314.47
5.3.190.3570.04014.61
5.3.180.3370.04314.50
5.3.170.3530.03314.42
5.3.160.3400.03714.61
5.3.150.3370.04014.39
5.3.140.4030.04314.39
5.3.130.3500.03714.63
5.3.120.3270.03714.52
5.3.110.3400.03714.39
5.3.100.3970.04313.87
5.3.90.3570.03714.07
5.3.80.3530.03713.89
5.3.70.3470.04013.99
5.3.60.3400.03713.95
5.3.50.3600.03313.78
5.3.40.3230.03313.97
5.3.30.3670.03313.68
5.3.20.3930.04013.63
5.3.10.3470.03013.46
5.3.00.3430.03313.66
5.2.170.2930.02711.03
5.2.160.3370.03311.07
5.2.150.3200.02311.16
5.2.140.2970.03310.97
5.2.130.2900.03011.19
5.2.120.3770.01710.95
5.2.110.2800.03011.12
5.2.100.3100.02710.93
5.2.90.3000.03011.19
5.2.80.3000.03011.18
5.2.70.3170.02311.18
5.2.60.2870.02710.88
5.2.50.2830.03011.10
5.2.40.2100.02710.84
5.2.30.2630.03310.83
5.2.20.1130.04710.82
5.2.10.2270.03011.03
5.2.00.2800.02710.68
5.1.60.2330.0279.85
5.1.50.2630.02310.08
5.1.40.2500.0179.87
5.1.30.2730.02310.24
5.1.20.2500.02310.28
5.1.10.2330.02010.00
5.1.00.2630.03010.12
5.0.50.1300.0208.52
5.0.40.1330.0278.52
5.0.30.0000.0338.11
5.0.20.0070.0138.27
5.0.10.0030.0208.13
5.0.00.0000.0338.23
4.4.90.1170.0176.35
4.4.80.1170.0136.35
4.4.70.1100.0206.35
4.4.60.1230.0136.35
4.4.50.1230.0176.35
4.4.40.0800.0236.35
4.4.30.1370.0136.35
4.4.20.1230.0136.35
4.4.10.1400.0206.35
4.4.00.1400.0276.35
4.3.110.0000.0236.35
4.3.100.0030.0136.35
4.3.90.0000.0136.35
4.3.80.0000.0276.35
4.3.70.0000.0176.35
4.3.60.0030.0136.35
4.3.50.0670.0106.35
4.3.40.1400.0276.35
4.3.30.0600.0176.35
4.3.20.0800.0206.35
4.3.10.0700.0206.35
4.3.00.0600.0136.35

preferences:
34.55 ms | 401 KiB | 5 Q