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("5d") ? "It's an int" : "It's not an int";

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)
8.3.60.0070.00718.43
8.3.50.0170.00921.93
8.3.40.0030.01218.71
8.3.30.0070.01319.04
8.3.20.0040.00420.29
8.3.10.0040.00421.95
8.3.00.0000.00822.40
8.2.180.0150.00016.50
8.2.170.0030.01322.96
8.2.160.0030.01420.83
8.2.150.0040.00424.18
8.2.140.0180.00024.66
8.2.130.0000.00826.16
8.2.120.0130.00717.50
8.2.110.0060.00322.24
8.2.100.0080.00319.51
8.2.90.0000.00819.24
8.2.80.0040.00417.97
8.2.70.0090.00017.38
8.2.60.0000.00817.93
8.2.50.0050.00318.07
8.2.40.0050.00518.22
8.2.30.0070.00018.05
8.2.20.0050.00317.48
8.2.10.0000.00819.39
8.2.00.0000.00717.43
8.1.280.0180.00425.92
8.1.270.0040.00423.88
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0090.00023.91
8.1.230.0040.00719.14
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0140.00517.10
8.1.190.0000.00917.53
8.1.180.0060.00318.10
8.1.170.0000.00818.62
8.1.160.0000.00721.86
8.1.150.0000.00718.45
8.1.140.0000.00817.36
8.1.130.0000.00717.81
8.1.120.0000.00717.36
8.1.110.0040.00417.30
8.1.100.0040.00417.32
8.1.90.0050.00317.36
8.1.80.0040.00417.30
8.1.70.0030.00317.37
8.1.60.0040.00717.48
8.1.50.0030.00617.41
8.1.40.0040.00417.47
8.1.30.0080.00017.55
8.1.20.0040.00417.57
8.1.10.0060.00317.46
8.1.00.0000.00717.30
8.0.300.0000.00818.77
8.0.290.0050.00317.16
8.0.280.0030.00318.38
8.0.270.0070.00017.18
8.0.260.0060.00016.82
8.0.250.0030.00316.88
8.0.240.0000.00816.80
8.0.230.0030.00316.73
8.0.220.0000.00716.72
8.0.210.0050.00316.74
8.0.200.0040.00416.81
8.0.190.0000.00716.87
8.0.180.0000.00716.73
8.0.170.0030.00616.68
8.0.160.0040.00416.82
8.0.150.0040.00416.63
8.0.140.0070.00016.73
8.0.130.0050.00013.15
8.0.120.0000.00716.74
8.0.110.0050.00216.66
8.0.100.0040.00416.81
8.0.90.0070.00016.65
8.0.80.0000.01516.69
8.0.70.0040.00416.66
8.0.60.0070.00016.84
8.0.50.0040.00416.64
8.0.30.0090.01017.22
8.0.20.0130.01117.40
8.0.10.0030.00516.95
8.0.00.0120.00716.87
7.4.330.0000.00415.00
7.4.320.0060.00016.58
7.4.300.0030.00516.47
7.4.290.0000.00816.54
7.4.280.0100.00016.45
7.4.270.0070.00016.47
7.4.260.0030.00316.44
7.4.250.0040.00416.53
7.4.240.0030.00416.42
7.4.230.0070.00016.41
7.4.220.0090.00916.52
7.4.210.0090.00716.54
7.4.200.0000.00716.61
7.4.190.0040.00416.71
7.4.160.0100.00516.27
7.4.150.0080.01217.40
7.4.140.0110.00717.86
7.4.130.0140.00816.51
7.4.120.0030.01616.47
7.4.110.0160.00316.48
7.4.100.0060.01216.52
7.4.90.0130.00316.46
7.4.80.0090.01216.43
7.4.70.0060.01216.48
7.4.60.0030.01416.41
7.4.50.0000.00516.30
7.4.40.0060.00622.77
7.4.30.0080.00816.27
7.4.00.0030.01214.78
7.3.330.0030.00213.26
7.3.320.0030.00313.37
7.3.310.0000.00716.32
7.3.300.0000.00716.34
7.3.290.0080.00516.27
7.3.280.0110.00716.30
7.3.270.0100.00717.40
7.3.260.0100.01316.39
7.3.250.0110.00616.50
7.3.240.0120.00316.46
7.3.230.0110.01216.39
7.3.210.0110.00616.21
7.3.200.0120.00919.39
7.3.190.0120.00916.35
7.3.180.0090.00916.44
7.3.170.0090.00616.49
7.3.160.0070.01016.48
7.3.120.0070.01114.91
7.3.10.0070.00616.61
7.3.00.0070.00416.54
7.2.330.0070.01316.49
7.2.320.0160.00016.30
7.2.310.0140.00316.48
7.2.300.0060.01216.68
7.2.290.0030.01316.45
7.2.130.0060.00616.73
7.2.120.0030.00716.70
7.2.110.0050.00816.89
7.2.100.0100.00716.75
7.2.90.0080.00516.85
7.2.80.0070.00516.84
7.2.70.0090.00616.79
7.2.60.0080.00516.84
7.2.50.0060.00716.69
7.2.40.0080.00516.82
7.2.30.0120.00316.95
7.2.20.0050.00916.68
7.2.10.0060.00916.84
7.2.00.0070.00717.35
7.1.250.0070.00415.62
7.1.100.0030.00717.82
7.1.70.0080.00316.96
7.1.60.0140.00719.82
7.1.50.0120.00016.87
7.1.00.0030.07722.27
7.0.200.0040.00716.79
7.0.140.0000.07721.98
7.0.60.0030.08321.84
7.0.50.0070.08317.72
7.0.40.0030.06320.30
7.0.30.0370.05320.34
7.0.20.0400.06720.12
7.0.10.0100.07720.23
7.0.00.0100.07320.33
5.6.280.0030.07321.10
5.6.210.0000.04320.55
5.6.200.0130.05318.22
5.6.190.0070.07020.55
5.6.180.0270.07720.67
5.6.170.0330.06320.52
5.6.160.0070.04720.41
5.6.150.0230.06318.23
5.6.140.0130.07718.21
5.6.130.0130.07718.20
5.6.120.0070.08720.90
5.6.110.0000.04321.10
5.6.100.0100.04020.98
5.6.90.0070.05721.04
5.6.80.0000.06320.48
5.5.350.4330.04320.43
5.5.340.0070.07717.96
5.5.330.0030.05020.44
5.5.320.0570.04020.41
5.5.310.0270.06320.36
5.5.300.0070.06718.04
5.5.290.0030.04318.05
5.5.280.0100.07720.88
5.5.270.0170.07020.87
5.5.260.0200.07320.77
5.5.250.0330.05020.69
5.5.240.0030.07720.15
5.4.450.3600.04719.28
5.4.440.3870.03719.55
5.4.430.2400.03719.47
5.4.420.2700.04319.38
5.4.410.1830.03719.13
5.4.400.2870.04018.96
5.4.390.4270.03719.17
5.4.380.4230.04018.95
5.4.370.3700.04019.17
5.4.360.3770.02719.20
5.4.350.3500.05719.20
5.4.340.3770.03019.22
5.4.320.3870.04019.06
5.4.310.3530.04019.17
5.4.300.3570.04018.95
5.4.290.3670.03319.22
5.4.280.3870.03719.16
5.4.270.3670.04018.93
5.4.260.3970.04319.17
5.4.250.3600.03719.12
5.4.240.1170.04019.12
5.4.230.0070.04719.00
5.4.220.3900.03719.17
5.4.210.4370.04019.05
5.4.200.3830.03719.09
5.4.190.3630.03019.12
5.4.180.3700.03719.25
5.4.170.4000.03319.19
5.4.160.3400.04018.97
5.4.150.3800.03319.02
5.4.140.0000.08016.31
5.4.130.0030.05016.30
5.4.120.2000.03316.46
5.4.110.2730.03316.32
5.4.100.3230.03316.61
5.4.90.3370.03716.53
5.4.80.3400.03716.51
5.4.70.3430.04016.55
5.4.60.3230.04016.46
5.4.50.3300.03716.49
5.4.40.2300.03316.43
5.4.30.3930.03716.55
5.4.20.3600.03316.41
5.4.10.3630.03316.61
5.4.00.4400.05015.70
5.3.290.3870.04014.75
5.3.280.4570.03314.51
5.3.270.3630.04014.76
5.3.260.3770.04014.62
5.3.250.2930.04314.68
5.3.240.0030.07714.68
5.3.230.1870.05014.63
5.3.220.2530.04014.62
5.3.210.2670.04314.61
5.3.200.2270.04314.59
5.3.190.3270.04314.58
5.3.180.3500.04014.59
5.3.170.3030.03314.56
5.3.160.4500.03314.48
5.3.150.4300.04014.56
5.3.140.3130.04014.44
5.3.130.3700.04314.57
5.3.120.3800.03014.62
5.3.110.3600.03314.59
5.3.100.3730.03014.05
5.3.90.3770.02014.02
5.3.80.3600.04013.99
5.3.70.3870.03313.93
5.3.60.3870.03314.15
5.3.50.3600.03313.89
5.3.40.3930.04314.02
5.3.30.3900.02713.93
5.3.20.3870.03313.69
5.3.10.3900.04013.68
5.3.00.3270.03713.80
5.2.170.3200.03711.10
5.2.160.3330.02311.10
5.2.150.3070.03011.11
5.2.140.2430.02311.12
5.2.130.3030.03711.05
5.2.120.3230.03011.03
5.2.110.3600.02711.06
5.2.100.3270.02711.10
5.2.90.3330.03010.99
5.2.80.3300.03011.09
5.2.70.3100.03011.05
5.2.60.3200.02711.02
5.2.50.3130.03011.10
5.2.40.2670.02710.89
5.2.30.2770.03011.02
5.2.20.2630.03310.88
5.2.10.3000.02310.91
5.2.00.3130.03010.66
5.1.60.3100.0239.95
5.1.50.3170.02310.02
5.1.40.2830.0239.90
5.1.30.2900.02710.39
5.1.20.2830.02710.36
5.1.10.2630.03010.21
5.1.00.2930.0279.98
5.0.50.1530.0208.50
5.0.40.1830.0138.46
5.0.30.1430.0308.29
5.0.20.1900.0178.20
5.0.10.1470.0208.24
5.0.00.1500.0308.32
4.4.90.1470.0175.89
4.4.80.1430.0105.89
4.4.70.1700.0135.89
4.4.60.1800.0175.89
4.4.50.1630.0175.89
4.4.40.1700.0275.89
4.4.30.1700.0175.89
4.4.20.1730.0175.89
4.4.10.1730.0175.90
4.4.00.1770.0275.93
4.3.110.1770.0175.89
4.3.100.1070.0175.89
4.3.90.1470.0175.89
4.3.80.1430.0275.89
4.3.70.1630.0175.89
4.3.60.1730.0135.89
4.3.50.2000.0135.89
4.3.40.1630.0275.89
4.3.30.0770.0235.89
4.3.20.0830.0205.89
4.3.10.0770.0205.89
4.3.00.0730.0205.89

preferences:
49.31 ms | 401 KiB | 5 Q