3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_intstr($val, $negative=false) { return preg_match("/^".($negative?"-?":"")."(0|[1-9][0-9])*$/", $val); } foreach(range(0, 10) as $n) { print_r(is_intstr($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)
8.3.60.0120.00318.55
8.3.50.0120.00722.05
8.3.40.0070.00718.67
8.3.30.0070.00719.09
8.3.20.0080.00020.09
8.3.10.0040.00421.73
8.3.00.0000.00819.18
8.2.180.0120.00916.75
8.2.170.0070.00722.96
8.2.160.0130.00020.24
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0030.00519.66
8.2.110.0060.00322.02
8.2.100.0060.00818.22
8.2.90.0060.00319.08
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0040.00419.82
8.2.30.0050.00217.93
8.2.20.0050.00317.74
8.2.10.0000.00818.00
8.2.00.0050.00317.73
8.1.280.0140.00725.92
8.1.270.0050.00318.75
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00623.89
8.1.230.0040.00718.97
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0100.00017.35
8.1.190.0030.00617.25
8.1.180.0050.00318.10
8.1.170.0000.00818.70
8.1.160.0020.00522.09
8.1.150.0080.00018.88
8.1.140.0040.00419.23
8.1.130.0000.00817.78
8.1.120.0040.00417.43
8.1.110.0050.00217.53
8.1.100.0070.00017.48
8.1.90.0000.00717.46
8.1.80.0050.00217.41
8.1.70.0000.00717.54
8.1.60.0040.00417.59
8.1.50.0080.00017.48
8.1.40.0080.00317.61
8.1.30.0030.00617.70
8.1.20.0030.00617.76
8.1.10.0040.00417.64
8.1.00.0080.00317.48
8.0.300.0050.00218.77
8.0.290.0000.00716.88
8.0.280.0000.00718.37
8.0.270.0000.00817.17
8.0.260.0070.00017.20
8.0.250.0030.00316.97
8.0.240.0000.00717.10
8.0.230.0050.00217.00
8.0.220.0000.00716.90
8.0.210.0030.00616.93
8.0.200.0000.00717.09
8.0.190.0080.00017.09
8.0.180.0000.01117.02
8.0.170.0000.00717.09
8.0.160.0040.00417.07
8.0.150.0000.00716.98
8.0.140.0120.00016.95
8.0.130.0030.00313.38
8.0.120.0050.00316.96
8.0.110.0000.00717.02
8.0.100.0000.00716.80
8.0.90.0000.00716.86
8.0.80.0060.01517.00
8.0.70.0070.00017.08
8.0.60.0040.00416.99
8.0.50.0040.00416.89
8.0.30.0080.01317.20
8.0.20.0160.00617.40
8.0.10.0000.00717.00
8.0.00.0060.01116.81
7.4.330.0000.00515.03
7.4.320.0060.00016.65
7.4.300.0060.00016.72
7.4.290.0030.00316.78
7.4.280.0040.00416.71
7.4.270.0030.00316.63
7.4.260.0000.00716.61
7.4.250.0040.00416.59
7.4.240.0030.00516.72
7.4.230.0000.00716.59
7.4.220.0100.01016.64
7.4.210.0120.00316.81
7.4.200.0040.00416.70
7.4.160.0110.00316.66
7.4.150.0140.01417.40
7.4.140.0140.00717.86
7.4.130.0090.01416.63
7.4.120.0110.00616.63
7.4.110.0090.00916.62
7.4.100.0120.01016.70
7.4.90.0090.00916.60
7.4.80.0030.01919.39
7.4.70.0030.01316.72
7.4.60.0060.01016.57
7.4.50.0060.00316.31
7.4.40.0070.01016.62
7.4.30.0070.01716.74
7.4.10.0060.01215.27
7.4.00.0070.00715.29
7.3.330.0000.00613.20
7.3.320.0050.00213.30
7.3.310.0070.00016.20
7.3.300.0000.00716.34
7.3.290.0070.00916.36
7.3.280.0090.00916.40
7.3.270.0150.00317.40
7.3.260.0090.00916.71
7.3.250.0050.01216.43
7.3.240.0130.01016.50
7.3.230.0130.00416.48
7.3.210.0030.01616.67
7.3.200.0060.01619.39
7.3.190.0060.00916.38
7.3.180.0080.00816.53
7.3.170.0070.01516.47
7.3.160.0120.00416.69
7.3.130.0030.01614.89
7.3.120.0110.00714.74
7.3.110.0090.01014.97
7.3.100.0090.00914.84
7.3.90.0130.00314.63
7.3.80.0030.00915.00
7.3.70.0120.00314.96
7.3.60.0110.00314.79
7.3.50.0130.00315.01
7.3.40.0000.01514.97
7.3.30.0100.00314.65
7.3.20.0060.00916.88
7.3.10.0080.00816.72
7.3.00.0030.00816.87
7.2.330.0070.01116.79
7.2.320.0100.00716.79
7.2.310.0060.01216.82
7.2.300.0110.01116.84
7.2.290.0060.01316.85
7.2.260.0070.01115.29
7.2.250.0100.00715.14
7.2.240.0000.01315.30
7.2.230.0140.00015.35
7.2.220.0070.01015.11
7.2.210.0070.00315.12
7.2.200.0070.00715.03
7.2.190.0100.01015.15
7.2.180.0060.00315.28
7.2.170.0060.01015.04
7.2.160.0000.01415.24
7.2.150.0120.00317.19
7.2.140.0110.00317.18
7.2.130.0080.00916.97
7.2.120.0020.01217.13
7.2.110.0050.00916.95
7.2.100.0130.00216.96
7.2.90.0030.00616.97
7.2.80.0070.00817.01
7.2.70.0020.01117.09
7.2.60.0040.01117.18
7.2.50.0060.00917.13
7.2.40.0060.00517.13
7.2.30.0050.00716.98
7.2.20.0020.01416.94
7.2.10.0080.00817.04
7.2.00.0060.00517.60
7.1.330.0070.00716.00
7.1.320.0000.01516.18
7.1.310.0040.01116.20
7.1.300.0040.01216.01
7.1.290.0030.01016.01
7.1.280.0040.00416.14
7.1.270.0120.00615.95
7.1.260.0060.00616.10
7.1.250.0080.00516.06
7.1.240.0030.00615.81
7.1.230.0070.00715.80
7.1.220.0100.00315.64
7.1.210.0070.01015.92
7.1.200.0050.00816.07
7.1.190.0000.01215.89
7.1.180.0000.01315.65
7.1.170.0000.00915.94
7.1.160.0040.00815.96
7.1.150.0030.01016.15
7.1.140.0080.00415.98
7.1.130.0070.00716.08
7.1.120.0120.00016.07
7.1.110.0040.00416.10
7.1.100.0050.00817.23
7.1.90.0000.01316.03
7.1.80.0060.00816.07
7.1.70.0070.00516.62
7.1.60.0030.01317.78
7.1.50.0090.01216.59
7.1.40.0110.00016.00
7.1.30.0140.00015.97
7.1.20.0100.00015.56
7.1.10.0090.00615.79
7.1.00.0050.04119.28
7.0.330.0110.00715.50
7.0.320.0040.00715.53
7.0.310.0040.00815.26
7.0.300.0060.00615.68
7.0.290.0000.01515.73
7.0.280.0030.00615.36
7.0.270.0070.00715.20
7.0.260.0070.00415.32
7.0.250.0040.00915.73
7.0.240.0030.01215.47
7.0.230.0120.00615.61
7.0.220.0060.00615.51
7.0.210.0000.01515.64
7.0.200.0040.00716.35
7.0.190.0060.00615.56
7.0.180.0060.01215.56
7.0.170.0090.00915.48
7.0.160.0060.00315.62
7.0.150.0090.00615.54
7.0.140.0060.03018.85
7.0.130.0030.00715.39
7.0.120.0070.00715.41
7.0.110.0100.00015.68
7.0.100.0060.00615.45
7.0.90.0090.00915.38
7.0.80.0060.00915.44
7.0.70.0030.01015.69
7.0.60.0080.02517.79
7.0.50.0050.02516.83
7.0.40.0080.04417.06
7.0.30.0160.02216.78
7.0.20.0100.02516.89
7.0.10.0020.03016.85
7.0.00.0080.02416.91
5.6.400.0070.01014.38
5.6.390.0000.00914.60
5.6.380.0030.01414.54
5.6.370.0030.00614.77
5.6.360.0000.01114.56
5.6.350.0000.01014.36
5.6.340.0000.00814.18
5.6.330.0000.01414.44
5.6.320.0100.00014.17
5.6.310.0030.01214.38
5.6.300.0040.01114.53
5.6.290.0070.01114.51
5.6.280.0030.04217.50
5.6.270.0040.00814.34
5.6.260.0030.00714.58
5.6.250.0070.01014.66
5.6.240.0000.01314.23
5.6.230.0000.01114.50
5.6.220.0060.00914.46
5.6.210.0170.02717.66
5.6.200.0050.02816.36
5.6.190.0030.02717.47
5.6.180.0150.04017.55
5.6.170.0150.04417.39
5.6.160.0020.04217.47
5.6.150.0080.04316.29
5.6.140.0070.04316.44
5.6.130.0080.03516.22
5.6.120.0070.04817.72
5.6.110.0070.04617.82
5.6.100.0100.04017.53
5.6.90.0030.02717.85
5.6.80.0050.02917.32
5.6.70.0060.00614.14
5.6.60.0000.00914.31
5.6.50.0070.00414.15
5.6.40.0070.00714.30
5.6.30.0030.01414.33
5.6.20.0030.00914.32
5.6.10.0060.00614.24
5.6.00.0040.00414.16
5.5.380.0080.00414.34
5.5.370.0070.00714.04
5.5.360.0000.01414.25
5.5.350.0060.04417.32
5.5.340.0020.05116.02
5.5.330.0070.04717.35
5.5.320.0150.04217.21
5.5.310.0110.02317.31
5.5.300.0030.03516.13
5.5.290.0070.04216.21
5.5.280.0050.03017.66
5.5.270.0070.03217.42
5.5.260.0030.02517.55
5.5.250.0070.02217.47
5.5.240.2090.01617.12
5.5.230.0000.01614.08
5.5.220.0070.00714.02
5.5.210.0030.00914.09
5.5.200.0060.00614.02
5.5.190.0080.00014.14
5.5.180.0030.00514.13
5.5.170.0000.01014.39
5.5.160.0040.00814.07
5.5.150.0070.00714.18
5.5.140.0090.00614.02
5.5.130.0140.00314.15
5.5.120.0070.00714.03
5.5.110.0070.00714.35
5.5.100.0040.01114.26
5.5.90.0030.01314.43
5.5.80.0060.00614.23
5.5.70.0030.00914.14
5.5.60.0070.00714.25
5.5.50.0030.01014.26
5.5.40.0070.00714.23
5.5.30.0000.01314.39
5.5.20.0060.01014.45
5.5.10.0040.00814.48
5.5.00.0000.01414.21
5.4.450.0050.04315.42
5.4.440.0310.03015.64
5.4.430.0030.03315.56
5.4.420.0070.02915.61
5.4.410.0150.03315.53
5.4.400.0050.02915.31
5.4.390.0110.03015.10
5.4.380.0080.03315.21
5.4.370.0110.02915.14
5.4.360.0120.03215.22
5.4.350.0120.03115.26
5.4.340.0100.03315.09
5.4.330.0000.00811.71
5.4.320.0090.03615.22
5.4.310.0160.02815.09
5.4.300.0130.03115.24
5.4.290.0120.03115.15
5.4.280.0140.02715.08
5.4.270.0140.02815.11
5.4.260.0120.03215.24
5.4.250.0120.03015.21
5.4.240.0120.03115.16
5.4.230.0120.03115.11
5.4.220.0100.03215.14
5.4.210.0130.03315.21
5.4.200.0130.03314.15
5.4.190.0100.03015.15
5.4.180.0090.03415.21
5.4.170.0120.03115.21
5.4.160.0110.03315.16
5.4.150.0170.02315.09
5.4.140.0100.03313.96
5.4.130.0160.02114.01
5.4.120.0100.03113.98
5.4.110.0180.02213.97
5.4.100.0130.02614.06
5.4.90.0080.03514.02
5.4.80.0070.03313.95
5.4.70.0080.03214.00
5.4.60.0130.03313.98
5.4.50.0070.03214.00
5.4.40.0130.03814.06
5.4.30.0120.02814.00
5.4.20.0130.02714.06
5.4.10.0100.02714.05
5.4.00.0080.03013.74
5.3.290.0300.05014.88
5.3.280.0100.06014.63
5.3.270.0300.04314.64
5.3.260.0130.06314.62
5.3.250.0100.08314.58
5.3.240.0170.05714.59
5.3.230.0170.05314.61
5.3.220.0200.05014.68
5.3.210.0070.06314.55
5.3.200.0130.05314.61
5.3.190.0170.05714.60
5.3.180.0230.05314.61
5.3.170.0130.05714.64
5.3.160.0130.05714.66
5.3.150.0230.04714.64
5.3.140.0230.04714.75
5.3.130.0230.04714.60
5.3.120.0200.05014.56
5.3.110.0200.05714.65
5.3.100.0100.05714.22
5.3.90.0130.05314.02
5.3.80.0270.04014.03
5.3.70.0270.04014.12
5.3.60.0130.05714.09
5.3.50.0170.06013.98
5.3.40.0170.05014.04
5.3.30.0100.05314.11
5.3.20.0070.06013.82
5.3.10.0070.05713.82
5.3.00.0230.04713.77
5.2.170.0100.04711.14
5.2.160.0070.05011.23
5.2.150.0170.04011.14
5.2.140.0070.04711.24
5.2.130.0130.04011.04
5.2.120.0130.04011.38
5.2.110.0230.03711.10
5.2.100.0170.05311.14
5.2.90.0230.03011.09
5.2.80.0130.04011.11
5.2.70.0200.03711.20
5.2.60.0170.04011.15
5.2.50.0130.04711.06
5.2.40.0130.04011.29
5.2.30.0200.03311.08
5.2.20.0100.04011.06
5.2.10.0070.04310.96
5.2.00.0070.04710.73
5.1.60.0070.0379.99
5.1.50.0200.02710.03
5.1.40.0100.0379.98
5.1.30.0270.03310.36
5.1.20.0170.04310.43
5.1.10.0130.03310.11
5.1.00.0270.02010.25
5.0.50.0070.0308.50
5.0.40.0030.0308.61
5.0.30.0030.0478.28
5.0.20.0100.0238.20
5.0.10.0070.0308.26
5.0.00.0100.0438.16
4.4.90.0100.0205.91
4.4.80.0130.0236.01
4.4.70.0070.0275.89
4.4.60.0030.0275.90
4.4.50.0000.0275.90
4.4.40.0070.0335.91
4.4.30.0070.0205.88
4.4.20.0030.0275.95
4.4.10.0070.0236.05
4.4.00.0030.0375.94
4.3.110.0100.0175.91
4.3.100.0030.0235.81
4.3.90.0070.0205.85
4.3.80.0030.0375.80
4.3.70.0070.0205.80
4.3.60.0070.0235.82
4.3.50.0070.0235.86
4.3.40.0170.0235.76
4.3.30.0000.0274.71
4.3.20.0070.0204.71
4.3.10.0070.0234.71
4.3.00.0070.02712.51

preferences:
58.72 ms | 401 KiB | 5 Q