3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ff_iswebcrawler(){ $_SERVER = array('HTTP_USER_AGENT' => 'alsdkflsafgooglebotlkasjfalsdiphone'); $ua = strtolower($_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)
8.3.60.0070.00716.61
8.3.50.0060.01021.88
8.3.40.0100.01018.63
8.3.30.0070.00719.21
8.3.20.0000.00720.29
8.3.10.0040.00423.53
8.3.00.0050.00320.95
8.2.180.0150.00616.38
8.2.170.0140.00322.96
8.2.160.0030.01020.39
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0080.00022.25
8.2.110.0060.00322.11
8.2.100.0070.00418.16
8.2.90.0040.00419.14
8.2.80.0050.00317.97
8.2.70.0000.00917.63
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0000.00820.01
8.2.30.0060.00318.28
8.2.20.0070.00017.70
8.2.10.0040.00418.16
8.2.00.0000.00717.73
8.1.280.0140.00725.92
8.1.270.0040.00422.14
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0050.00522.09
8.1.230.0040.00819.11
8.1.220.0000.00717.74
8.1.210.0030.00918.77
8.1.200.0030.00617.36
8.1.190.0040.00417.23
8.1.180.0000.00919.01
8.1.170.0080.00018.66
8.1.160.0000.00721.90
8.1.150.0040.00418.63
8.1.140.0070.00017.50
8.1.130.0000.00817.88
8.1.120.0040.00417.44
8.1.110.0030.00517.46
8.1.100.0000.00717.46
8.1.90.0040.00417.47
8.1.80.0040.00417.44
8.1.70.0000.00717.44
8.1.60.0040.00417.60
8.1.50.0040.00417.41
8.1.40.0060.00317.53
8.1.30.0080.00017.66
8.1.20.0040.00417.66
8.1.10.0040.00417.56
8.1.00.0030.00617.42
8.0.300.0000.00818.77
8.0.290.0000.00717.15
8.0.280.0030.00318.31
8.0.270.0030.00317.26
8.0.260.0040.00417.17
8.0.250.0070.00016.93
8.0.240.0030.00316.85
8.0.230.0030.00516.93
8.0.220.0000.00716.89
8.0.210.0000.00716.82
8.0.200.0000.00616.84
8.0.190.0030.00516.94
8.0.180.0040.00416.82
8.0.170.0040.00416.85
8.0.160.0040.00416.91
8.0.150.0040.00416.81
8.0.140.0000.00716.80
8.0.130.0030.00313.36
8.0.120.0040.00416.90
8.0.110.0030.00316.96
8.0.100.0070.00016.70
8.0.90.0070.00016.86
8.0.80.0030.01316.95
8.0.70.0000.00916.96
8.0.60.0080.00016.86
8.0.50.0050.00216.76
8.0.30.0140.00617.02
8.0.20.0090.00817.40
8.0.10.0000.00717.06
8.0.00.0100.00716.83
7.4.330.0070.00015.00
7.4.320.0030.00316.61
7.4.300.0080.00016.43
7.4.290.0000.00716.36
7.4.280.0080.00016.59
7.4.270.0030.00316.60
7.4.260.0000.00716.51
7.4.250.0000.00816.42
7.4.240.0030.00316.53
7.4.230.0030.00316.60
7.4.220.0100.00716.64
7.4.210.0100.00516.62
7.4.200.0000.00716.66
7.4.190.0040.00416.69
7.4.160.0070.01016.58
7.4.150.0140.00417.40
7.4.140.0090.00817.86
7.4.130.0100.00716.44
7.4.120.0100.00716.69
7.4.110.0100.01416.64
7.4.100.0140.00716.47
7.4.90.0130.01016.45
7.4.80.0060.01319.39
7.4.70.0100.00716.54
7.4.60.0060.01016.50
7.4.50.0040.00416.50
7.4.40.0150.00816.34
7.4.30.0030.01316.40
7.4.00.0040.00715.15
7.3.330.0000.00513.26
7.3.320.0000.00513.37
7.3.310.0000.00716.11
7.3.300.0070.00016.11
7.3.290.0140.00716.33
7.3.280.0070.01016.29
7.3.270.0090.00917.40
7.3.260.0070.01016.48
7.3.250.0070.01016.25
7.3.240.0060.01316.50
7.3.230.0030.01416.39
7.3.210.0140.00316.39
7.3.200.0100.00619.39
7.3.190.0130.00916.38
7.3.180.0030.01216.28
7.3.170.0070.01016.60
7.3.160.0040.01116.23
7.3.120.0030.01214.95
7.2.330.0100.00716.43
7.2.320.0060.01516.77
7.2.310.0070.01116.62
7.2.300.0070.01016.82
7.2.290.0150.00616.86
7.2.00.0000.01319.61
7.1.100.0000.01117.97
7.1.70.0080.00017.10
7.1.60.0100.01419.46
7.1.50.0110.01416.98
7.1.00.0130.07022.28
7.0.200.0000.00716.86
7.0.140.0070.09322.00
7.0.60.0030.09319.93
7.0.50.0130.07317.84
7.0.40.0200.07020.21
7.0.30.0470.04320.30
7.0.20.0230.06320.34
7.0.10.0100.04020.24
7.0.00.0070.06720.09
5.6.210.0030.05320.70
5.6.200.0070.03718.16
5.6.190.0070.04020.33
5.6.180.0230.05020.47
5.6.170.0170.04020.47
5.6.160.0030.04020.54
5.6.150.0030.04018.16
5.6.140.0100.07718.19
5.6.130.0100.05718.19
5.6.120.0030.06321.05
5.6.110.0070.08020.98
5.6.100.0070.08321.11
5.6.90.0030.09721.01
5.6.80.0070.06320.45
5.5.350.0270.07720.39
5.5.340.0100.04317.95
5.5.330.0000.07320.41
5.5.320.0430.06720.20
5.5.310.0330.06720.30
5.5.300.0030.04317.98
5.5.290.0100.08017.95
5.5.280.0270.05320.78
5.5.270.0100.08320.81
5.5.260.0000.06320.76
5.5.250.0000.07320.71
5.5.240.0070.07020.27
5.4.450.0270.03719.31
5.4.440.0400.04719.20
5.4.430.0130.03719.56
5.4.420.0570.03719.48
5.4.410.0300.03019.26
5.4.400.0400.03319.09
5.4.390.0870.04019.20
5.4.380.0370.06318.56
5.4.370.0430.04718.73
5.4.360.0370.04718.64
5.4.350.0270.06318.73
5.4.340.0370.05318.76
5.4.320.0050.05212.50
5.4.310.0090.04812.50
5.4.300.0030.04812.51
5.4.290.0140.05612.50
5.4.280.0090.05412.40
5.4.270.0050.03812.40
5.4.260.0070.03812.40
5.4.250.0060.03912.40
5.4.240.0090.03612.40
5.4.230.0080.04112.39
5.4.220.0080.03812.39
5.4.210.0030.04012.39
5.4.200.0060.04012.39
5.4.190.0090.03512.39
5.4.180.0090.03512.39
5.4.170.0080.03812.40
5.4.160.0070.03712.39
5.4.150.0080.03712.39
5.4.140.0130.04512.07
5.4.130.0070.04912.06
5.4.120.0110.04812.02
5.4.110.0100.05912.01
5.4.100.0100.04512.02
5.4.90.0110.03912.02
5.4.80.0070.04112.01
5.4.70.0080.03712.01
5.4.60.0090.03512.01
5.4.50.0080.03512.00
5.4.40.0070.03712.00
5.4.30.0110.03412.00
5.4.20.0100.05211.99
5.4.10.0080.06212.00
5.4.00.0110.05311.48
5.3.290.0080.03912.80
5.3.280.0150.06912.71
5.3.270.0150.06312.72
5.3.260.0180.07212.72
5.3.250.0110.06112.72
5.3.240.0080.04212.72
5.3.230.0100.03612.71
5.3.220.0100.03812.68
5.3.210.0150.04112.68
5.3.200.0080.03912.68
5.3.190.0100.03712.68
5.3.180.0070.03812.68
5.3.170.0060.04412.67
5.3.160.0060.03912.67
5.3.150.0080.05512.67
5.3.140.0090.05512.66
5.3.130.0080.06512.66
5.3.120.0060.05912.66
5.3.110.0130.06112.66
5.3.100.0120.04612.12
5.3.90.0040.04212.10
5.3.80.0090.03612.09
5.3.70.0050.03912.09
5.3.60.0050.03712.08
5.3.50.0060.03812.02
5.3.40.0060.04812.02
5.3.30.0040.03811.98
5.3.20.0090.03311.77
5.3.10.0060.04011.73
5.3.00.0070.03811.73
5.2.170.0070.0329.21
5.2.160.0070.0339.21
5.2.150.0140.0319.21
5.2.140.0100.0429.21
5.2.130.0110.0289.17
5.2.120.0100.0279.17
5.2.110.0040.0379.17
5.2.100.0130.0339.18
5.2.90.0070.0309.17
5.2.80.0050.0389.17
5.2.70.0070.0419.17
5.2.60.0050.0389.13
5.2.50.0080.0439.10
5.2.40.0110.0359.07
5.2.30.0050.0349.05
5.2.20.0070.0319.04
5.2.10.0060.0308.94
5.2.00.0050.0338.80
5.1.60.0030.0278.08
5.1.50.0040.0268.08
5.1.40.0070.0248.06
5.1.30.0050.0358.41
5.1.20.0040.0348.43
5.1.10.0070.0258.16
5.1.00.0050.0288.16
5.0.50.0040.0336.63
5.0.40.0060.0256.50
5.0.30.0060.0466.31
5.0.20.0030.0286.27
5.0.10.0030.0226.26
5.0.00.0040.0316.25
4.4.90.0030.0224.78
4.4.80.0020.0224.76
4.4.70.0080.0174.75
4.4.60.0070.0184.76
4.4.50.0050.0214.77
4.4.40.0080.0314.71
4.4.30.0100.0394.76
4.4.20.0080.0284.84
4.4.10.0050.0344.85
4.4.00.0100.0594.76
4.3.110.0120.0384.66
4.3.100.0080.0354.66
4.3.90.0030.0224.64
4.3.80.0030.0334.58
4.3.70.0120.0214.63
4.3.60.0010.0244.63
4.3.50.0050.0264.63
4.3.40.0040.0294.54
4.3.30.0040.0283.30
4.3.20.0050.0233.28
4.3.10.0020.0253.24
4.3.00.0130.01316.15

preferences:
59.83 ms | 400 KiB | 5 Q