3v4l.org

run code in 500+ PHP versions simultaneously
<?php $spfdata='v=spf1 mx 1.2.3.4 ~all'; if (preg_match('/^v=spf[a-z0-9~?\s.-]+$/i', $spfdata)){ echo "SPF seems to be ok"; } else { echo "Invalid syntax"; }

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)
8.5.30.0060.00319.27
8.5.20.0030.00421.32
8.5.10.0120.00716.75
8.5.00.0140.00820.07
8.4.180.0070.01521.89
8.4.170.0100.01320.27
8.4.160.0130.00920.59
8.4.150.0080.00516.87
8.4.140.0120.00917.91
8.4.130.0090.01018.66
8.4.120.0140.00720.55
8.4.110.0120.00918.75
8.4.100.0050.00518.05
8.4.90.0120.00820.59
8.4.80.0150.00418.64
8.4.70.0140.00618.80
8.4.60.0110.00920.75
8.4.50.0040.01220.46
8.4.40.0080.00019.84
8.4.30.0100.00618.66
8.4.20.0160.00318.66
8.4.10.0060.00317.77
8.3.300.0120.00719.34
8.3.290.0120.00820.95
8.3.280.0110.01318.46
8.3.270.0120.00716.74
8.3.260.0060.00316.66
8.3.250.0110.00916.50
8.3.240.0090.00316.42
8.3.230.0090.01016.59
8.3.220.0090.00918.79
8.3.210.0110.00916.70
8.3.200.0060.00216.73
8.3.190.0060.00219.13
8.3.180.0110.00718.59
8.3.170.0060.01316.91
8.3.160.0090.00916.86
8.3.150.0060.01316.73
8.3.140.0040.01116.45
8.3.130.0060.00316.71
8.3.120.0030.00618.90
8.3.110.0030.00620.94
8.3.100.0130.00324.06
8.3.90.0110.00426.77
8.3.80.0070.01017.97
8.3.70.0110.00718.55
8.3.60.0150.00616.50
8.3.50.0080.00818.92
8.3.40.0100.00618.76
8.3.30.0150.00319.84
8.3.20.0050.00922.11
8.3.10.0060.00822.70
8.3.00.0070.00620.68
8.2.300.0110.01320.12
8.2.290.0070.01216.80
8.2.280.0140.00618.30
8.2.270.0150.00316.78
8.2.260.0090.00917.18
8.2.250.0120.00316.66
8.2.240.0040.00419.19
8.2.230.0050.00322.58
8.2.220.0080.00037.54
8.2.210.0160.00326.77
8.2.200.0100.00016.50
8.2.190.0120.00318.41
8.2.180.0120.00325.92
8.2.170.0140.00019.26
8.2.160.0140.00420.86
8.2.150.0100.00322.39
8.2.140.0090.00223.43
8.2.130.0050.00524.16
8.2.120.0090.00421.01
8.2.110.0050.00720.73
8.2.100.0110.00118.40
8.2.90.0070.00418.62
8.2.80.0090.00218.64
8.2.70.0080.00418.47
8.2.60.0040.01118.41
8.2.50.0090.00218.60
8.2.40.0060.00519.99
8.2.30.0100.00318.89
8.2.20.0090.00218.28
8.2.10.0080.00319.02
8.2.00.0030.00819.01
8.1.340.0110.00920.20
8.1.330.0110.00916.25
8.1.320.0140.00816.01
8.1.310.0030.00516.93
8.1.300.0060.00318.26
8.1.290.0060.00318.88
8.1.280.0100.01025.92
8.1.270.0080.00422.95
8.1.260.0050.00824.23
8.1.250.0080.00325.00
8.1.240.0090.00321.23
8.1.230.0080.00519.80
8.1.220.0090.00318.28
8.1.210.0090.00418.76
8.1.200.0050.00817.99
8.1.190.0080.00317.93
8.1.180.0080.00318.26
8.1.170.0080.00318.70
8.1.160.0040.00818.75
8.1.150.0030.00919.54
8.1.140.0060.00519.33
8.1.130.0080.00318.07
8.1.120.0070.00518.06
8.1.110.0090.00317.92
8.1.100.0020.01118.66
8.1.90.0080.00518.04
8.1.80.0070.00518.61
8.1.70.0100.00318.11
8.1.60.0060.00618.09
8.1.50.0070.00718.19
8.1.40.0050.00818.05
8.1.30.0030.00918.26
8.1.20.0100.00718.46
8.1.10.0070.01017.90
8.1.00.0100.00718.39
8.0.300.0090.00318.88
8.0.290.0060.01017.29
8.0.280.0100.00518.09
8.0.270.0020.00917.67
8.0.260.0120.00317.29
8.0.250.0090.00517.41
8.0.240.0110.00617.38
8.0.230.0090.00717.41
8.0.220.0040.00817.35
8.0.210.0120.00517.36
8.0.200.0140.00317.44
8.0.190.0140.00317.36
8.0.180.0080.00817.51
8.0.170.0120.00417.37
8.0.160.0040.00817.44
8.0.150.0140.00417.19
8.0.140.0090.00917.16
8.0.130.0110.00516.06
8.0.120.0110.00717.17
8.0.110.0130.00517.04
8.0.100.0150.00217.13
8.0.90.0120.00617.15
8.0.80.0150.00717.17
8.0.70.0090.00517.75
8.0.60.0090.00817.27
8.0.50.0140.00417.18
8.0.30.0120.00717.35
8.0.20.0110.00717.40
8.0.10.0190.00117.35
8.0.00.0160.00417.85
7.4.330.0090.00416.49
7.4.320.0130.00516.96
7.4.300.0140.00517.00
7.4.290.0130.00417.14
7.4.280.0110.00717.08
7.4.270.0160.00417.04
7.4.260.0160.00315.82
7.4.250.0160.00416.91
7.4.240.0170.00316.98
7.4.230.0200.00317.01
7.4.220.0100.00616.92
7.4.210.0130.00516.85
7.4.200.0130.00517.50
7.4.190.0210.00317.01
7.4.180.0200.00417.17
7.4.160.0170.00717.12
7.4.150.0210.00117.07
7.4.140.0150.00817.15
7.4.130.0130.00916.85
7.4.120.0130.00916.96
7.4.110.0160.00616.97
7.4.100.0120.00916.90
7.4.90.0140.00816.99
7.4.80.0140.00817.91
7.4.70.0180.00416.95
7.4.60.0140.00816.98
7.4.50.0100.01016.83
7.4.40.0150.00716.84
7.4.30.0180.00716.95
7.4.20.0200.00716.99
7.4.10.0220.00617.00
7.4.00.0130.00816.34
7.3.330.0120.00816.67
7.3.320.0110.00615.55
7.3.310.0100.00816.55
7.3.300.0120.00616.76
7.3.290.0190.00016.99
7.3.280.0170.00416.56
7.3.270.0170.00816.86
7.3.260.0140.00616.58
7.3.250.0170.00716.84
7.3.240.0110.01116.57
7.3.230.0160.00616.64
7.3.220.0190.00716.84
7.3.210.0150.00816.74
7.3.200.0160.00716.61
7.3.190.0190.00516.68
7.3.180.0150.00616.68
7.3.170.0190.00316.76
7.3.160.0150.00916.60
7.3.150.0210.00516.79
7.3.140.0200.00516.83
7.3.130.0200.00816.82
7.3.120.0210.00416.79
7.3.110.0190.00316.83
7.3.100.0140.00616.13
7.3.90.0140.00616.27
7.3.80.0160.00516.17
7.3.70.0150.00516.22
7.3.60.0140.00716.15
7.3.50.0140.00616.28
7.3.40.0130.00716.13
7.3.30.0130.00716.13
7.3.20.0180.00316.75
7.3.10.0180.00216.61
7.3.00.0190.00416.71
7.2.340.0180.00916.85
7.2.330.0130.00816.94
7.2.320.0180.00716.75
7.2.310.0180.00416.87
7.2.300.0100.01316.75
7.2.290.0180.00516.77
7.2.280.0200.00716.98
7.2.270.0210.00417.01
7.2.260.0200.00516.87
7.2.250.0180.00616.87
7.2.240.0160.00716.92
7.2.230.0170.00316.25
7.2.220.0130.00716.26
7.2.210.0170.00416.28
7.2.200.0180.00516.37
7.2.190.0170.00516.32
7.2.180.0150.00716.23
7.2.170.0170.00416.34
7.2.160.0140.00716.26
7.2.150.0150.00616.90
7.2.140.0110.01017.08
7.2.130.0200.00716.96
7.2.120.0170.00516.90
7.2.110.0180.00416.97
7.2.100.0110.00716.97
7.2.90.0160.00717.04
7.2.80.0170.00517.09
7.2.70.0160.00616.93
7.2.60.0130.01216.89
7.2.50.0160.00816.73
7.2.40.0200.00516.93
7.2.30.0150.00817.08
7.2.20.0190.00516.98
7.2.10.0180.00516.94
7.2.00.0120.00516.99
7.1.330.0170.00816.91
7.1.320.0140.00616.04
7.1.310.0090.01116.03
7.1.300.0110.00815.72
7.1.290.0140.00615.84
7.1.280.0170.00415.74
7.1.270.0130.00516.23
7.1.260.0150.00515.91
7.1.250.0150.00515.79
7.1.240.0170.00616.70
7.1.230.0120.00916.84
7.1.220.0190.00316.84
7.1.210.0150.00716.92
7.1.200.0230.00016.87
7.1.190.0200.00316.82
7.1.180.0160.00616.70
7.1.170.0230.00216.65
7.1.160.0220.00316.64
7.1.150.0190.00516.54
7.1.140.0170.00516.85
7.1.130.0140.00816.75
7.1.120.0130.00916.89
7.1.110.0350.00716.93
7.1.100.0190.00317.00
7.1.90.0240.00516.84
7.1.80.0200.00316.97
7.1.70.0160.00716.65
7.1.60.0190.00516.85
7.1.50.0160.00717.00
7.1.40.0200.00616.88
7.1.30.0190.00416.83
7.1.20.0190.00316.96
7.1.10.0180.00516.91
7.1.00.0100.00816.88

preferences:
91.76 ms | 1661 KiB | 5 Q