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)
8.3.70.0160.00318.68
8.3.60.0040.01118.43
8.3.50.0130.00522.04
8.3.40.0090.00618.67
8.3.30.0070.00718.92
8.3.20.0000.00720.14
8.3.10.0000.00721.82
8.3.00.0080.00019.02
8.2.190.0070.00716.58
8.2.180.0130.00916.75
8.2.170.0040.01222.96
8.2.160.0100.00320.43
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0060.00319.54
8.2.110.0090.00022.23
8.2.100.0030.00718.16
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0000.00917.63
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0080.00019.94
8.2.30.0040.00417.93
8.2.20.0070.00017.52
8.2.10.0050.00317.94
8.2.00.0000.00817.48
8.1.280.0090.00925.92
8.1.270.0040.00418.92
8.1.260.0040.00426.35
8.1.250.0000.00928.09
8.1.240.0060.00323.84
8.1.230.0070.00419.01
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.00
8.1.190.0040.00417.00
8.1.180.0060.00318.10
8.1.170.0040.00418.46
8.1.160.0040.00421.98
8.1.150.0070.00018.81
8.1.140.0040.00419.17
8.1.130.0030.00517.71
8.1.120.0030.00517.39
8.1.110.0000.00817.34
8.1.100.0000.00717.38
8.1.90.0040.00417.41
8.1.80.0040.00417.24
8.1.70.0050.00317.45
8.1.60.0060.00317.54
8.1.50.0030.00517.34
8.1.40.0060.00317.45
8.1.30.0000.00817.61
8.1.20.0040.00417.43
8.1.10.0000.00817.39
8.1.00.0060.00317.30
8.0.300.0000.00818.77
8.0.290.0040.00416.88
8.0.280.0000.00718.49
8.0.270.0000.00717.25
8.0.260.0000.00617.17
8.0.250.0000.00816.96
8.0.240.0030.00317.00
8.0.230.0070.00016.99
8.0.220.0030.00316.84
8.0.210.0000.00616.80
8.0.200.0030.00316.90
8.0.190.0030.00516.89
8.0.180.0060.00316.85
8.0.170.0000.00816.94
8.0.160.0070.00016.99
8.0.150.0040.00416.88
8.0.140.0040.00716.92
8.0.130.0050.00013.32
8.0.120.0050.00316.92
8.0.110.0070.00016.85
8.0.100.0030.00316.83
8.0.90.0000.00716.98
8.0.80.0040.01116.97
8.0.70.0040.00416.80
8.0.60.0000.00716.81
8.0.50.0070.00016.77
8.0.30.0120.01116.92
8.0.20.0120.01117.40
8.0.10.0070.00017.13
8.0.00.0110.01116.76
7.4.330.0000.00515.03
7.4.320.0030.00316.42
7.4.300.0060.00016.54
7.4.290.0000.00716.38
7.4.280.0040.00416.52
7.4.270.0000.00716.50
7.4.260.0000.01216.49
7.4.250.0000.00716.30
7.4.240.0030.00316.44
7.4.230.0080.00016.50
7.4.220.0080.01016.48
7.4.210.0040.01116.44
7.4.200.0000.00716.42
7.4.160.0000.01416.52
7.4.150.0060.01917.40
7.4.140.0100.00617.86
7.4.130.0080.01716.54
7.4.120.0060.01416.48
7.4.110.0180.00716.46
7.4.100.0120.00616.64
7.4.90.0030.01416.48
7.4.80.0000.01719.39
7.4.70.0060.01016.39
7.4.60.0070.01016.57
7.4.50.0030.00616.50
7.4.40.0100.00716.61
7.4.30.0100.00716.56
7.4.00.0060.00914.79
7.3.330.0000.00613.24
7.3.320.0040.00313.12
7.3.310.0000.00716.28
7.3.300.0030.00316.11
7.3.290.0060.01016.27
7.3.280.0090.00716.31
7.3.270.0140.01017.40
7.3.260.0070.01116.31
7.3.250.0130.00516.44
7.3.240.0080.00816.54
7.3.230.0080.00916.52
7.3.210.0100.00716.45
7.3.200.0090.00919.39
7.3.190.0100.00616.29
7.3.180.0030.01316.63
7.3.170.0090.00916.43
7.3.160.0140.00416.51
7.3.10.0100.00716.16
7.3.00.0030.01016.52
7.2.330.0120.00916.74
7.2.320.0060.01416.50
7.2.310.0030.01416.42
7.2.300.0070.01316.69
7.2.290.0100.01016.40
7.2.130.0060.01017.07
7.2.120.0030.01017.07
7.2.110.0000.01416.79
7.2.100.0100.00316.62
7.2.90.0120.00316.77
7.2.80.0060.00917.04
7.2.70.0030.01016.68
7.2.60.0110.00416.68
7.2.50.0070.00716.86
7.2.40.0060.01216.82
7.2.30.0070.00716.80
7.2.20.0070.00316.86
7.2.10.0090.00616.89
7.2.00.0020.01017.85
7.1.250.0000.01615.75
7.1.200.0080.00815.81
7.1.100.0070.00718.04
7.1.70.0000.00816.93
7.1.60.0160.00719.46
7.1.50.0100.01417.08
7.1.00.0030.07722.37
7.0.200.0040.00416.82
7.0.140.0030.05322.01
7.0.110.0030.04320.06
7.0.100.0100.07319.94
7.0.90.0130.07720.11
7.0.80.0130.07319.91
7.0.70.0030.05019.94
7.0.60.0070.08720.00
7.0.50.0030.07319.97
7.0.40.0100.07019.70
7.0.30.0070.05719.75
7.0.20.0070.07019.70
7.0.10.0000.08719.58
7.0.00.0100.08019.84
5.6.280.0030.07021.10
5.6.260.0070.04020.61
5.6.250.0130.06320.66
5.6.240.0030.08720.71
5.6.230.0070.04720.47
5.6.220.0070.07020.68
5.6.210.0130.07320.62
5.6.200.0100.07320.86
5.6.190.0030.07020.64
5.6.180.0070.07020.61
5.6.170.0070.09320.59
5.6.160.0070.04720.64
5.6.150.0070.06320.56
5.6.140.0170.07720.85
5.6.130.0100.03720.61
5.6.120.0130.05020.86
5.6.110.0100.08320.70
5.6.100.0130.04020.55
5.6.90.0270.06320.59
5.6.80.0030.07719.99
5.6.70.0070.07720.07
5.6.60.0230.06019.84
5.6.50.0100.06020.00
5.6.40.0000.06020.07
5.6.30.0070.07319.95
5.6.20.0000.08720.04
5.6.10.0030.08019.91
5.6.00.0130.04319.81
5.5.380.0130.07017.60
5.5.370.0000.08017.54
5.5.360.0100.04317.55
5.5.350.0130.07317.78
5.5.340.0000.08317.97
5.5.330.0000.07318.05
5.5.320.0070.03318.09
5.5.310.0100.08018.10
5.5.300.0070.05318.07
5.5.290.0070.08017.83
5.5.280.0100.07017.93
5.5.270.0000.08718.22
5.5.260.0000.08717.93
5.5.250.0070.08017.95
5.5.240.0030.06017.62
5.5.230.0100.07317.47
5.5.220.0070.07717.29
5.5.210.0070.07017.51
5.5.200.0030.07317.49
5.5.190.0100.06317.45
5.5.180.0070.07717.18
5.5.160.0070.06717.48
5.5.150.0030.08017.47
5.5.140.0070.07717.29
5.5.130.0170.06717.42
5.5.120.0030.06017.43
5.5.110.0030.07017.24
5.5.100.0100.07317.33
5.5.90.0000.06717.37
5.5.80.0000.08017.17
5.5.70.0030.07717.47
5.5.60.0100.06017.39
5.5.50.0070.07717.48
5.5.40.0100.06317.34
5.5.30.0030.04017.07
5.5.20.0030.06717.49
5.5.10.0030.03717.53
5.5.00.0130.04717.29
5.4.450.0030.05019.34
5.4.440.0200.05319.32
5.4.430.0030.08719.27
5.4.420.0070.08019.38
5.4.410.0070.07719.33
5.4.400.0070.06319.01
5.4.390.0070.07719.01
5.4.380.0070.08319.25
5.4.370.0030.07718.95
5.4.360.0000.08319.18
5.4.350.0070.05319.14
5.4.340.0070.07019.24
5.4.320.0070.05019.17
5.4.310.0100.07019.31
5.4.300.0030.08019.27
5.4.290.0130.06719.16
5.4.280.0070.07719.01
5.4.270.0000.08019.01
5.4.260.0030.06318.95
5.4.250.0000.05719.02
5.4.240.0030.06018.99
5.4.230.0100.05719.11
5.4.220.0100.07019.31
5.4.210.0100.07718.94
5.4.200.0070.07719.00
5.4.190.0070.03719.30
5.4.180.0000.05019.22
5.4.170.0030.03318.94
5.4.160.0070.07319.00
5.4.150.0170.02319.07
5.4.140.0070.03316.51
5.4.130.0000.07716.34
5.4.120.0030.07716.63
5.4.110.0000.04016.61
5.4.100.0000.03716.41
5.4.90.0230.05716.59
5.4.80.0130.06316.45
5.4.70.0100.07016.53
5.4.60.0100.06316.52
5.4.50.0100.06716.38
5.4.40.0070.05016.53
5.4.30.0130.04716.25
5.4.20.0000.07716.43
5.4.10.0100.06716.23
5.4.00.0070.03315.83
5.3.290.0070.05014.69
5.3.280.0130.06714.63
5.3.270.0070.06714.62
5.3.260.0000.03714.56
5.3.250.0030.03014.61
5.3.240.0100.03714.69
5.3.230.0030.07314.60
5.3.220.0100.04014.56
5.3.210.0070.03314.43
5.3.200.0070.07714.57
5.3.190.0070.07714.70
5.3.180.0000.03714.69
5.3.170.0030.07714.54
5.3.160.0030.03314.65
5.3.150.0100.07014.64
5.3.140.0100.07014.59
5.3.130.0170.04014.63
5.3.120.0100.07014.68
5.3.110.0130.06014.62
5.3.100.0170.05714.04
5.3.90.0070.04014.04
5.3.80.0030.07014.04
5.3.70.0070.07314.02
5.3.60.0100.07714.04
5.3.50.0070.03713.81
5.3.40.0030.08013.95
5.3.30.0070.08013.96
5.3.20.0070.06313.70
5.3.10.0030.06713.79
5.3.00.0130.06013.63
5.2.170.0070.06012.21
5.2.160.0070.06012.21
5.2.150.0030.06312.21
5.2.140.0030.03712.21
5.2.130.0170.05012.21
5.2.120.0030.06312.21
5.2.110.0070.05012.21
5.2.100.0070.06012.21
5.2.90.0000.03012.21
5.2.80.0070.05712.21
5.2.70.0070.04312.21
5.2.60.0070.03312.21
5.2.50.0070.06312.21
5.2.40.0170.02712.21
5.2.30.0100.05712.21
5.2.20.0130.03012.21
5.2.10.0030.04712.21
5.2.00.0100.05012.21
5.1.60.0070.03012.21
5.1.50.0030.03712.21
5.1.40.0000.03012.21
5.1.30.0000.03312.21
5.1.20.0030.05312.21
5.1.10.0030.04012.21
5.1.00.0030.02712.21
5.0.50.0030.02012.21
5.0.40.0000.05012.21
5.0.30.0000.06012.21
5.0.20.0030.02012.21
5.0.10.0030.03712.21
5.0.00.0030.06012.21
4.4.90.0000.01712.21
4.4.80.0030.03312.21
4.4.70.0030.03012.21
4.4.60.0070.02312.21
4.4.50.0000.03712.21
4.4.40.0030.02312.21
4.4.30.0000.03312.21
4.4.20.0030.03012.21
4.4.10.0030.03312.21
4.4.00.0100.04712.21
4.3.110.0070.03312.21
4.3.100.0030.02712.21
4.3.90.0030.03312.21
4.3.80.0030.05312.21
4.3.70.0000.02312.21
4.3.60.0000.03312.21
4.3.50.0030.02712.21
4.3.40.0030.04712.21
4.3.30.0030.03012.21
4.3.20.0030.03312.21
4.3.10.0000.03312.21
4.3.00.0000.02712.21

preferences:
51.82 ms | 401 KiB | 5 Q