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(-10) ? "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)
8.3.60.0120.00916.75
8.3.50.0110.00917.19
8.3.40.0140.00318.71
8.3.30.0120.00318.41
8.3.20.0040.00418.78
8.3.10.0040.00418.82
8.3.00.0090.00619.26
8.2.180.0140.00725.92
8.2.170.0040.01218.87
8.2.160.0000.01322.96
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.30
8.2.110.0030.00721.04
8.2.100.0000.01319.45
8.2.90.0000.00819.09
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0090.00017.93
8.2.50.0030.00618.07
8.2.40.0050.00319.23
8.2.30.0030.00617.62
8.2.20.0030.00717.69
8.2.10.0040.00417.43
8.2.00.0000.01117.60
8.1.280.0060.00925.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00320.93
8.1.230.0070.00422.20
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0090.00017.22
8.1.190.0080.00317.10
8.1.180.0080.00018.10
8.1.170.0030.00818.39
8.1.160.0070.00019.00
8.1.150.0040.00418.44
8.1.140.0040.00417.37
8.1.130.0000.00717.32
8.1.120.0000.00717.26
8.1.110.0040.00417.34
8.1.100.0000.00717.29
8.1.90.0030.00417.38
8.1.80.0050.00317.45
8.1.70.0000.00717.37
8.1.60.0050.00317.55
8.1.50.0000.00717.33
8.1.40.0040.00417.41
8.1.30.0030.00617.48
8.1.20.0080.00317.51
8.1.10.0040.00417.49
8.1.00.0030.00617.38
8.0.300.0070.00018.77
8.0.290.0070.00016.63
8.0.280.0040.00418.45
8.0.270.0000.00717.11
8.0.260.0030.00316.72
8.0.250.0030.00716.90
8.0.240.0000.00816.94
8.0.230.0040.00416.83
8.0.220.0060.00316.73
8.0.210.0050.00316.66
8.0.200.0040.00416.80
8.0.190.0040.00416.84
8.0.180.0040.00416.79
8.0.170.0030.00816.75
8.0.160.0050.00316.87
8.0.150.0030.00516.66
8.0.140.0050.00516.70
8.0.130.0030.00313.15
8.0.120.0000.00916.64
8.0.110.0000.00716.70
8.0.100.0000.00716.64
8.0.90.0000.00716.74
8.0.80.0080.00716.82
8.0.70.0050.00216.67
8.0.60.0000.00816.61
8.0.50.0060.00316.59
8.0.30.0060.01216.88
8.0.20.0090.00917.16
8.0.10.0050.00216.84
8.0.00.0130.01016.67
7.4.330.0050.00012.92
7.4.320.0000.00716.40
7.4.300.0040.00416.45
7.4.290.0000.00716.54
7.4.280.0000.01016.44
7.4.270.0030.00316.43
7.4.260.0030.00313.27
7.4.250.0040.00416.51
7.4.240.0040.00416.52
7.4.230.0040.00316.25
7.4.220.0060.00916.49
7.4.210.0030.01916.61
7.4.200.0000.00816.38
7.4.190.0060.00316.30
7.4.160.0150.00016.62
7.4.150.0130.00416.22
7.4.140.0110.00717.86
7.4.130.0060.01316.41
7.4.120.0130.00516.52
7.4.110.0040.01416.46
7.4.100.0090.00916.57
7.4.90.0100.00716.40
7.4.80.0120.01119.39
7.4.70.0100.00716.51
7.4.60.0030.01316.58
7.4.50.0040.00416.34
7.4.40.0080.00516.45
7.4.30.0040.01316.42
7.4.00.0030.01415.21
7.3.330.0030.00313.22
7.3.320.0000.00613.28
7.3.310.0040.00416.28
7.3.300.0070.00016.16
7.3.290.0080.00616.28
7.3.280.0070.00816.23
7.3.270.0140.00716.38
7.3.260.0120.00316.43
7.3.240.0070.01016.57
7.3.230.0090.00916.52
7.3.210.0100.00616.47
7.3.200.0070.01316.29
7.3.190.0090.00616.37
7.3.180.0150.00016.31
7.3.170.0040.01116.32
7.3.160.0100.01316.48
7.3.120.0000.01114.75
7.2.330.0110.00716.42
7.2.320.0060.01216.76
7.2.310.0070.01116.80
7.2.300.0040.01216.29
7.2.290.0100.00816.38
7.2.00.0030.01218.71
7.1.200.0040.00715.67
7.1.100.0000.01417.96
7.1.70.0040.00417.07
7.1.60.0100.01319.21
7.1.50.0200.00734.45
7.1.00.0070.03322.50
7.0.200.0030.00516.53
7.0.140.0100.06322.08
7.0.120.0030.06722.06
7.0.60.0070.09019.83
7.0.50.0000.04317.84
7.0.40.0100.04020.11
7.0.30.0270.05020.21
7.0.20.0300.08020.16
7.0.10.0130.08020.30
7.0.00.0030.07320.20
5.6.280.0000.07721.12
5.6.210.0070.05720.46
5.6.200.0130.07718.19
5.6.190.0130.08020.34
5.6.180.0270.07320.68
5.6.170.0130.04720.44
5.6.160.0170.07320.62
5.6.150.0030.07718.16
5.6.140.0100.06018.29
5.6.130.0030.09018.19
5.6.120.0100.08721.15
5.6.110.0070.07720.99
5.6.100.0070.04021.00
5.6.90.0170.07320.88
5.6.80.0070.08020.41
5.5.350.0200.07320.32
5.5.340.0030.04317.99
5.5.330.0100.04020.27
5.5.320.0200.05720.34
5.5.310.0270.05320.32
5.5.300.0070.05717.93
5.5.290.0100.04717.99
5.5.280.0100.08320.75
5.5.270.0030.04320.87
5.5.260.0000.07320.95
5.5.250.0100.07020.69
5.5.240.0200.06320.25
5.4.450.0100.06019.20
5.4.440.0070.04019.50
5.4.430.0070.05319.47
5.4.420.0000.04719.46
5.4.410.0170.03019.36
5.4.400.0030.07318.88
5.4.390.0030.04018.92
5.4.380.0100.07319.16
5.4.370.0130.04719.15
5.4.360.0070.06319.16
5.4.350.0030.05019.21
5.4.340.0200.06718.92
5.4.320.0170.07019.24
5.4.310.0030.06719.12
5.4.300.0170.06719.07
5.4.290.0130.04019.00
5.4.280.0130.05719.14
5.4.270.0030.06019.09
5.4.260.0130.03319.16
5.4.250.0070.04718.86
5.4.240.0000.08019.14
5.4.230.0070.08019.23
5.4.220.0070.07718.97
5.4.210.0130.07019.15
5.4.200.0170.06718.84
5.4.190.0070.07318.99
5.4.180.0070.04718.84
5.4.170.0070.07319.19
5.4.160.0070.07318.91
5.4.150.0100.03719.23
5.4.140.0030.06716.48
5.4.130.0030.04716.42
5.4.120.0070.07016.32
5.4.110.0130.06716.45
5.4.100.0070.04016.52
5.4.90.0030.05716.39
5.4.80.0070.04016.46
5.4.70.0000.06716.31
5.4.60.0070.07316.43
5.4.50.0130.06016.40
5.4.40.0070.07016.25
5.4.30.0100.06716.39
5.4.20.0000.05016.33
5.4.10.0000.05316.44
5.4.00.0100.04015.87
5.3.290.0070.06314.68
5.3.280.0130.07014.62
5.3.270.0100.07314.64
5.3.260.0100.07314.64
5.3.250.0070.07314.60
5.3.240.0000.04714.49
5.3.230.0070.04314.75
5.3.220.0130.05014.57
5.3.210.0130.07314.71
5.3.200.0070.08014.66
5.3.190.0000.05714.49
5.3.180.0130.06314.60
5.3.170.0100.03314.72
5.3.160.0070.06014.66
5.3.150.0130.07314.62
5.3.140.0030.06314.58
5.3.130.0030.06714.55
5.3.120.0100.06714.56
5.3.110.0000.07014.58
5.3.100.0000.08014.11
5.3.90.0030.07714.05
5.3.80.0100.05014.18
5.3.70.0100.03314.06
5.3.60.0000.04714.04
5.3.50.0030.03713.99
5.3.40.0030.04313.93
5.3.30.0030.06013.93
5.3.20.0030.04313.72
5.3.10.0000.06713.73
5.3.00.0070.05313.54
5.2.170.0100.04011.20
5.2.160.0070.03011.20
5.2.150.0030.03311.12
5.2.140.0030.03311.15
5.2.130.0000.06711.25
5.2.120.0130.05311.27
5.2.110.0100.05011.09
5.2.100.0000.03311.07
5.2.90.0030.03711.10
5.2.80.0100.04711.15
5.2.70.0000.04011.09
5.2.60.0030.05011.08
5.2.50.0070.05310.99
5.2.40.0100.05011.04
5.2.30.0070.04011.13
5.2.20.0030.03711.01
5.2.10.0030.06311.01
5.2.00.0070.04710.60
5.1.60.0070.0539.97
5.1.50.0070.0509.99
5.1.40.0000.05310.04
5.1.30.0070.05010.23
5.1.20.0000.05310.35
5.1.10.0030.06010.03
5.1.00.0100.0539.98
5.0.50.0100.0308.61
5.0.40.0030.0378.43
5.0.30.0030.0408.13
5.0.20.0030.0478.11
5.0.10.0070.0438.15
5.0.00.0070.0408.15
4.4.90.0030.0208.08
4.4.80.0030.0338.08
4.4.70.0000.0208.08
4.4.60.0070.0338.08
4.4.50.0030.0378.08
4.4.40.0030.0478.08
4.4.30.0100.0178.08
4.4.20.0000.0308.08
4.4.10.0070.0208.08
4.4.00.0000.0578.08
4.3.110.0030.0208.08
4.3.100.0000.0378.08
4.3.90.0030.0378.08
4.3.80.0070.0508.08
4.3.70.0070.0238.08
4.3.60.0030.0238.08
4.3.50.0000.0278.08
4.3.40.0000.0338.08
4.3.30.0000.0178.08
4.3.20.0030.0278.08
4.3.10.0000.0378.08
4.3.00.0030.0138.08

preferences:
45.84 ms | 401 KiB | 5 Q