3v4l.org

run code in 300+ PHP versions simultaneously
<?php function check_int($i) { if (preg_match('[^0-9]', $i)) { return 0; } else { return 1; } } function check_int1($i) { return (strval((int)$i) === strval($i)); } echo check_int1("1-0") ? "It's an int\n" : "It's not an int\n"; echo check_int("1-0") ? "It's an int\n" : "It's not an int\n";

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)
8.3.70.0120.00916.63
8.3.60.0090.00616.63
8.3.50.0080.00722.12
8.3.40.0070.00718.93
8.3.30.0070.00719.03
8.3.20.0000.00720.30
8.3.10.0080.00023.53
8.3.00.0050.00319.38
8.2.180.0160.00318.29
8.2.170.0120.00322.96
8.2.160.0150.00020.16
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0110.00426.16
8.2.120.0080.00022.25
8.2.110.0030.00619.09
8.2.100.0060.00617.97
8.2.90.0060.00319.18
8.2.80.0030.00517.97
8.2.70.0030.00617.63
8.2.60.0000.00817.91
8.2.50.0000.00818.07
8.2.40.0060.00317.91
8.2.30.0050.00318.04
8.2.20.0040.00417.89
8.2.10.0050.00217.95
8.2.00.0080.00417.72
8.1.280.0110.00425.92
8.1.270.0080.00023.79
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00621.31
8.1.230.0000.01117.52
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0000.00817.23
8.1.180.0000.00918.10
8.1.170.0040.00418.70
8.1.160.0050.00621.87
8.1.150.0040.00418.67
8.1.140.0080.00017.36
8.1.130.0000.00717.78
8.1.120.0040.00417.40
8.1.110.0040.00417.48
8.1.100.0040.00417.59
8.1.90.0000.00717.55
8.1.80.0020.00517.47
8.1.70.0030.00317.49
8.1.60.0040.00417.57
8.1.50.0050.00317.53
8.1.40.0030.00617.53
8.1.30.0040.00417.76
8.1.20.0000.00717.63
8.1.10.0030.00617.54
8.1.00.0050.00317.54
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00718.41
8.0.270.0070.00017.26
8.0.260.0030.00316.90
8.0.250.0070.00016.96
8.0.240.0020.00516.97
8.0.230.0000.00816.89
8.0.220.0030.00316.93
8.0.210.0000.00716.84
8.0.200.0000.00716.95
8.0.190.0030.00617.03
8.0.180.0040.00417.00
8.0.170.0040.00416.93
8.0.160.0040.00416.99
8.0.150.0040.00416.75
8.0.140.0000.00716.82
8.0.130.0030.00313.44
8.0.120.0040.00416.88
8.0.110.0040.00416.95
8.0.100.0040.00416.78
8.0.90.0030.00316.80
8.0.80.0000.01516.86
8.0.70.0090.00016.95
8.0.60.0020.00516.73
8.0.50.0040.00416.77
8.0.30.0180.00217.30
8.0.20.0120.00917.40
8.0.10.0040.00416.91
8.0.00.0090.01016.81
7.4.330.0000.00515.00
7.4.320.0030.00316.52
7.4.300.0030.00316.65
7.4.290.0070.00016.62
7.4.280.0070.00016.64
7.4.270.0000.00716.78
7.4.260.0000.00716.59
7.4.250.0050.00316.69
7.4.240.0020.00516.59
7.4.230.0050.00316.55
7.4.220.0110.00716.71
7.4.210.0110.00416.72
7.4.200.0000.00716.86
7.4.190.0030.00316.48
7.4.160.0070.01016.70
7.4.150.0110.00717.40
7.4.140.0110.00617.86
7.4.130.0050.01116.77
7.4.120.0100.00716.56
7.4.110.0030.01516.89
7.4.100.0130.01016.56
7.4.90.0090.00916.58
7.4.80.0070.01019.39
7.4.70.0130.00316.72
7.4.60.0100.00616.57
7.4.50.0060.00316.70
7.4.40.0110.00722.77
7.4.30.0040.01116.31
7.4.00.0120.00315.03
7.3.330.0050.00013.52
7.3.320.0030.00313.37
7.3.310.0050.00216.48
7.3.300.0030.00316.40
7.3.290.0110.00416.46
7.3.280.0090.01116.42
7.3.270.0120.00617.40
7.3.260.0030.01316.59
7.3.250.0090.00916.65
7.3.240.0160.00616.81
7.3.230.0090.00916.68
7.3.210.0120.01216.54
7.3.200.0160.00319.39
7.3.190.0100.01316.53
7.3.180.0060.01616.55
7.3.170.0100.01016.74
7.3.160.0090.01216.64
7.3.120.0070.01014.95
7.2.330.0030.01616.49
7.2.320.0140.00416.82
7.2.310.0120.00616.76
7.2.300.0170.00316.53
7.2.290.0070.01016.61
7.1.70.0000.00917.15
7.1.60.0090.01519.33
7.1.50.0130.00617.25
7.1.00.0030.07722.55
7.0.200.0360.00614.96
7.0.140.0000.08022.07
7.0.60.0130.07319.85
7.0.50.0070.05017.91
7.0.40.0070.05020.11
7.0.30.0400.07320.17
7.0.20.0330.06320.18
7.0.10.0130.08320.20
7.0.00.0200.07320.14
5.6.280.0070.08720.96
5.6.210.0130.06320.47
5.6.200.0030.04018.16
5.6.190.0070.08720.52
5.6.180.0330.07320.33
5.6.170.0200.04020.71
5.6.160.0170.07320.44
5.6.150.0070.06318.12
5.6.140.0070.03318.14
5.6.130.0070.07318.21
5.6.120.0070.08721.14
5.6.110.0200.07721.09
5.6.100.0100.03721.01
5.6.90.0070.08320.90
5.6.80.0070.05020.41
5.5.350.0330.05720.30
5.5.340.0070.04718.05
5.5.330.0130.07720.43
5.5.320.0070.04720.27
5.5.310.0270.06320.34
5.5.300.0070.06318.08
5.5.290.0070.09017.98
5.5.280.0030.04320.65
5.5.270.0070.05320.89
5.5.260.0170.07320.87
5.5.250.0170.08720.59
5.5.240.0030.04320.04
5.4.450.3170.04319.57
5.4.440.3370.04019.27
5.4.430.3200.03719.32
5.4.420.3430.04319.47
5.4.410.3270.03719.26
5.4.400.3370.03719.14
5.4.390.3300.03719.09
5.4.380.3200.04319.22
5.4.370.3470.04019.09
5.4.360.3170.05019.22
5.4.350.3230.04019.00
5.4.340.3200.03319.22
5.4.320.3530.03718.98
5.4.310.3170.03319.22
5.4.300.3600.04018.95
5.4.290.3200.04719.05
5.4.280.3400.04018.98
5.4.270.3330.04019.08
5.4.260.3430.04318.98
5.4.250.3530.03719.06
5.4.240.3000.03318.83
5.4.230.3470.03318.85
5.4.220.3400.04019.16
5.4.210.3030.04019.06
5.4.200.3470.03319.08
5.4.190.3200.03719.09
5.4.180.3230.03019.07
5.4.170.3300.04019.07
5.4.160.3400.04319.20
5.4.150.3500.03319.29
5.4.140.3330.04016.57
5.4.130.3370.03316.34
5.4.120.4200.03316.36
5.4.110.3930.03716.61
5.4.100.3670.03716.61
5.4.90.3530.03016.50
5.4.80.3400.04316.59
5.4.70.3630.03716.39
5.4.60.3530.03016.53
5.4.50.3370.03716.21
5.4.40.3770.03716.54
5.4.30.3570.02716.22
5.4.20.3470.03316.38
5.4.10.3430.04016.52
5.4.00.3600.03715.98
5.3.290.3430.03714.63
5.3.280.3200.04014.58
5.3.270.3500.03714.62
5.3.260.3570.03314.54
5.3.250.3330.03714.66
5.3.240.3400.04314.62
5.3.230.3200.03714.71
5.3.220.3530.03314.55
5.3.210.3470.04014.57
5.3.200.3470.03314.63
5.3.190.3370.03714.68
5.3.180.3470.04014.49
5.3.170.3600.03314.53
5.3.160.4070.03314.48
5.3.150.3570.04014.47
5.3.140.4100.03014.70
5.3.130.3970.03714.63
5.3.120.3770.03014.45
5.3.110.3630.03714.45
5.3.100.3470.03314.12
5.3.90.3370.03714.08
5.3.80.3470.04014.03
5.3.70.3500.03013.94
5.3.60.3400.03014.15
5.3.50.3430.03714.18
5.3.40.3730.04013.87
5.3.30.5500.03713.84
5.3.20.4130.03013.92
5.3.10.3970.03313.71
5.3.00.4000.03713.66
5.2.170.2700.03011.07
5.2.160.2730.03011.13
5.2.150.2730.02711.16
5.2.140.3000.02711.15
5.2.130.2830.02711.12
5.2.120.2600.03311.25
5.2.110.3000.02311.34
5.2.100.2900.03011.25
5.2.90.3030.03011.25
5.2.80.2870.03311.16
5.2.70.2930.02311.01
5.2.60.3100.03310.98
5.2.50.2530.03311.25
5.2.40.2230.02710.92
5.2.30.2370.02711.13
5.2.20.2600.03010.89
5.2.10.2330.03710.79
5.2.00.2400.03010.79
5.1.60.2400.02310.79
5.1.50.2430.02710.79
5.1.40.2370.03010.79
5.1.30.2430.03010.79
5.1.20.2370.03010.79
5.1.10.2330.02310.79
5.1.00.2400.02710.79
5.0.50.1370.02310.79
5.0.40.1330.01710.79
5.0.30.1300.04010.79
5.0.20.1170.02010.79
5.0.10.1330.02310.79
5.0.00.1270.02710.79
4.4.90.1230.01710.79
4.4.80.1270.02310.79
4.4.70.1170.01710.79
4.4.60.1230.01310.79
4.4.50.1170.01710.79
4.4.40.1030.02710.79
4.4.30.1100.01710.79
4.4.20.1270.01710.79
4.4.10.1130.01310.79
4.4.00.1200.02710.79
4.3.110.1300.01310.79
4.3.100.1330.01310.79
4.3.90.1230.02010.79
4.3.80.1330.02710.79
4.3.70.1400.02010.79
4.3.60.1230.01310.79
4.3.50.1300.02010.79
4.3.40.1270.03010.79
4.3.30.0600.01710.79
4.3.20.0800.02310.79
4.3.10.0800.02010.79
4.3.00.0800.02310.79

preferences:
51.11 ms | 401 KiB | 5 Q