3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ff_iswebcrawler(){ $_SERVER = array('HTTP_USER_AGENT' => 'asdlfkjsd'); $ua = strtolower($_SERVER['HTTP_USER_AGENT']); return ( stripos($ua,'googlebot-mobile') !== false || (stripos($ua,'iphone') !== false && stripos($ua,'googlebot') !== false) ); } if(ff_iswebcrawler()) { echo 'yep'; }

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)
8.3.60.0070.00716.60
8.3.50.0120.00921.95
8.3.40.0200.00019.02
8.3.30.0090.00619.09
8.3.20.0070.00020.41
8.3.10.0040.00423.57
8.3.00.0090.00020.84
8.2.180.0090.00918.29
8.2.170.0070.00722.96
8.2.160.0070.00720.40
8.2.150.0050.00224.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0080.00022.16
8.2.110.0030.00620.58
8.2.100.0040.00817.72
8.2.90.0050.00219.35
8.2.80.0060.00317.97
8.2.70.0090.00017.49
8.2.60.0000.00718.04
8.2.50.0060.00318.07
8.2.40.0050.00319.85
8.2.30.0000.01018.34
8.2.20.0040.00417.69
8.2.10.0030.00518.20
8.2.00.0040.00417.62
8.1.280.0140.00025.92
8.1.270.0000.00722.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.01023.91
8.1.230.0120.00023.74
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0000.00817.35
8.1.190.0070.00417.23
8.1.180.0050.00319.00
8.1.170.0060.00618.56
8.1.160.0000.00722.01
8.1.150.0080.00018.68
8.1.140.0040.00417.47
8.1.130.0000.00817.78
8.1.120.0030.00317.36
8.1.110.0000.00817.49
8.1.100.0070.00017.41
8.1.90.0050.00217.46
8.1.80.0000.00717.51
8.1.70.0000.00817.40
8.1.60.0040.00417.59
8.1.50.0030.00617.42
8.1.40.0040.00417.48
8.1.30.0000.00817.63
8.1.20.0070.00017.69
8.1.10.0070.00017.52
8.1.00.0000.00717.38
8.0.300.0000.00718.77
8.0.290.0000.00817.16
8.0.280.0030.00318.36
8.0.270.0050.00217.26
8.0.260.0030.00317.25
8.0.250.0070.00016.98
8.0.240.0040.00416.98
8.0.230.0000.00716.93
8.0.220.0000.00716.78
8.0.210.0000.00716.83
8.0.200.0070.00016.96
8.0.190.0040.00416.94
8.0.180.0000.00716.93
8.0.170.0000.00716.90
8.0.160.0040.00416.88
8.0.150.0000.00816.90
8.0.140.0040.00416.72
8.0.130.0000.00613.36
8.0.120.0040.00416.84
8.0.110.0050.00216.91
8.0.100.0030.00516.75
8.0.90.0040.00416.93
8.0.80.0100.00716.85
8.0.70.0000.00716.92
8.0.60.0030.00316.68
8.0.50.0030.00317.00
8.0.30.0110.00817.07
8.0.20.0130.00617.40
8.0.10.0000.00716.91
8.0.00.0100.00916.85
7.4.330.0060.00015.00
7.4.320.0040.00416.52
7.4.300.0040.00416.52
7.4.290.0030.00316.39
7.4.280.0060.00316.52
7.4.270.0000.00716.50
7.4.260.0000.00716.50
7.4.250.0030.00616.57
7.4.240.0050.00216.52
7.4.230.0070.00016.52
7.4.220.0110.00616.51
7.4.210.0070.01116.63
7.4.200.0040.00416.61
7.4.190.0070.00016.77
7.4.160.0100.00616.39
7.4.150.0150.00317.40
7.4.140.0070.01117.86
7.4.130.0090.00916.58
7.4.120.0140.00616.41
7.4.110.0140.00416.41
7.4.100.0110.00616.41
7.4.90.0090.00916.43
7.4.80.0150.00419.39
7.4.70.0120.00616.50
7.4.60.0100.00716.48
7.4.50.0030.00516.43
7.4.40.0050.01616.43
7.4.30.0070.00716.50
7.4.00.0060.00915.05
7.3.330.0000.00513.25
7.3.320.0000.00513.16
7.3.310.0030.00516.33
7.3.300.0060.00016.30
7.3.290.0120.00616.26
7.3.280.0100.00716.30
7.3.270.0070.01017.40
7.3.260.0100.00716.39
7.3.250.0120.00916.38
7.3.240.0110.00616.29
7.3.230.0030.01316.53
7.3.210.0060.01216.26
7.3.200.0140.00319.39
7.3.190.0030.01316.54
7.3.180.0070.01016.36
7.3.170.0100.01016.27
7.3.160.0060.01316.29
7.3.120.0100.00314.95
7.2.330.0120.00616.52
7.2.320.0120.00916.68
7.2.310.0150.00816.79
7.2.300.0130.00316.84
7.2.290.0070.01016.39
7.2.00.0060.00619.51
7.1.100.0000.01118.10
7.1.70.0000.01017.19
7.1.60.0070.01819.46
7.1.50.0250.00316.66
7.1.00.0070.07322.51
7.0.200.0000.00716.73
7.0.140.0070.07022.09
7.0.60.0100.08019.91
7.0.50.0070.07717.96
7.0.40.0100.08720.26
7.0.30.0330.07020.23
7.0.20.0100.04720.06
7.0.10.0030.04320.07
7.0.00.0130.07720.19
5.6.280.0030.09321.11
5.6.210.0130.07720.67
5.6.200.0170.05318.18
5.6.190.0030.04720.33
5.6.180.0300.07720.50
5.6.170.0330.07020.54
5.6.160.0130.05720.51
5.6.150.0030.08318.23
5.6.140.0070.06018.23
5.6.130.0000.09718.14
5.6.120.0070.04720.93
5.6.110.0100.04721.14
5.6.100.0100.07720.96
5.6.90.0100.07721.00
5.6.80.0100.04020.29
5.5.350.0270.08020.47
5.5.340.0030.04718.02
5.5.330.0230.06320.40
5.5.320.0370.04020.27
5.5.310.0400.05020.35
5.5.300.0070.03718.08
5.5.290.0030.07317.93
5.5.280.0000.09020.64
5.5.270.0130.07720.96
5.5.260.0170.07720.89
5.5.250.0070.05320.71
5.5.240.0100.07320.28
5.4.450.0230.04019.49
5.4.440.0300.04719.41
5.4.430.0530.04019.30
5.4.420.0670.04019.41
5.4.410.0600.03719.16
5.4.400.0270.03718.88
5.4.390.0370.03718.98
5.4.380.0470.05318.70
5.4.370.0330.08718.50
5.4.360.0470.06718.63
5.4.350.0370.07318.75
5.4.340.0430.05718.75
5.4.320.0050.03912.50
5.4.310.0090.04712.50
5.4.300.0040.04012.50
5.4.290.0090.04012.50
5.4.280.0080.04212.40
5.4.270.0090.06012.40
5.4.260.0070.04512.40
5.4.250.0090.03812.39
5.4.240.0100.03812.39
5.4.230.0120.03812.39
5.4.220.0120.04112.39
5.4.210.0090.04612.39
5.4.200.0090.05412.39
5.4.190.0040.05012.39
5.4.180.0070.03812.39
5.4.170.0130.04512.40
5.4.160.0090.03912.39
5.4.150.0030.04112.38
5.4.140.0050.04012.07
5.4.130.0060.03712.06
5.4.120.0090.03912.02
5.4.110.0130.03812.02
5.4.100.0050.04112.01
5.4.90.0050.04612.01
5.4.80.0070.03912.01
5.4.70.0110.03812.01
5.4.60.0110.05112.01
5.4.50.0230.08912.01
5.4.40.0070.04512.00
5.4.30.0070.04611.99
5.4.20.0120.04411.99
5.4.10.0110.03111.99
5.4.00.0040.04011.48
5.3.290.0060.04312.80
5.3.280.0120.04012.71
5.3.270.0110.05512.72
5.3.260.0080.04412.72
5.3.250.0040.04112.72
5.3.240.0070.03912.72
5.3.230.0060.03912.71
5.3.220.0050.04012.68
5.3.210.0070.04112.68
5.3.200.0090.05512.68
5.3.190.0090.05112.68
5.3.180.0080.05812.67
5.3.170.0100.05212.67
5.3.160.0110.05212.67
5.3.150.0050.04112.67
5.3.140.0030.04412.66
5.3.130.0080.05712.66
5.3.120.0120.05312.66
5.3.110.0040.04412.66
5.3.100.0070.03912.12
5.3.90.0080.03812.10
5.3.80.0070.04012.09
5.3.70.0080.03712.09
5.3.60.0090.03712.08
5.3.50.0110.04012.02
5.3.40.0080.06012.02
5.3.30.0130.03511.98
5.3.20.0080.03711.76
5.3.10.0110.04611.73
5.3.00.0090.04511.71
5.2.170.0090.0399.21
5.2.160.0100.0329.21
5.2.150.0060.0349.21
5.2.140.0040.0369.21
5.2.130.0110.0619.17
5.2.120.0110.0509.17
5.2.110.0090.0409.17
5.2.100.0150.0549.17
5.2.90.0110.0439.18
5.2.80.0120.0499.17
5.2.70.0070.0469.17
5.2.60.0090.0499.13
5.2.50.0110.0589.09
5.2.40.0100.0439.07
5.2.30.0100.0559.05
5.2.20.0080.0489.04
5.2.10.0090.0468.94
5.2.00.0080.0478.80
5.1.60.0070.0398.09
5.1.50.0070.0488.08
5.1.40.0120.0568.06
5.1.30.0040.0478.41
5.1.20.0080.0478.43
5.1.10.0090.0388.16
5.1.00.0080.0498.16
5.0.50.0060.0406.64
5.0.40.0060.0316.50
5.0.30.0070.0486.30
5.0.20.0040.0286.27
5.0.10.0050.0356.25
5.0.00.0040.0476.25
4.4.90.0040.0264.78
4.4.80.0050.0254.75
4.4.70.0050.0234.75
4.4.60.0070.0224.76
4.4.50.0060.0244.77
4.4.40.0080.0314.71
4.4.30.0040.0194.76
4.4.20.0020.0204.85
4.4.10.0040.0224.84
4.4.00.0090.0254.76
4.3.110.0020.0184.67
4.3.100.0030.0154.66
4.3.90.0040.0144.63
4.3.80.0030.0244.58
4.3.70.0020.0164.63
4.3.60.0020.0174.63
4.3.50.0020.0164.63
4.3.40.0030.0244.54
4.3.30.0010.0173.30
4.3.20.0040.0153.28
4.3.10.0020.0173.24
4.3.00.0030.01716.15

preferences:
43 ms | 401 KiB | 5 Q