3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($x = 1; $x <= 10; $x++) { $mykey = "\x00" . uniqid(); $var[$mykey] = TRUE; foreach($var as $key => $val) { if ($key === $mykey) { echo 'You got it right'; } else { echo 'You got it wrong'; } } usleep(10); }

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)
7.4.00.0110.00614.87
7.3.120.0090.00914.96
7.3.110.0090.00914.86
7.3.100.0040.01515.16
7.3.90.0070.00814.98
7.3.80.0120.00414.90
7.3.70.0070.00714.79
7.3.60.0100.00714.90
7.3.50.0070.00314.71
7.3.40.0140.00314.77
7.3.30.0040.01114.79
7.3.20.0060.00616.68
7.3.10.0090.00516.79
7.3.00.0060.00816.68
7.2.250.0080.01214.95
7.2.240.0030.01615.31
7.2.230.0030.01015.20
7.2.220.0080.00514.99
7.2.210.0120.00614.93
7.2.200.0030.01015.06
7.2.190.0060.01015.11
7.2.180.0070.00715.14
7.2.170.0060.00514.82
7.2.160.0110.00614.77
7.2.150.0110.00716.85
7.2.140.0030.01617.13
7.2.130.0090.00616.95
7.2.120.0030.01316.99
7.2.110.0060.00817.07
7.2.100.0060.00816.84
7.2.90.0090.00316.96
7.2.80.0030.00917.04
7.2.70.0030.01116.87
7.2.60.0040.00716.90
7.2.50.0080.00517.04
7.2.40.0010.01216.93
7.2.30.0090.00716.91
7.2.20.0080.00716.95
7.2.10.0040.01017.01
7.2.00.0080.00516.78
7.1.330.0070.01015.97
7.1.320.0090.00615.96
7.1.310.0150.00016.04
7.1.300.0060.00615.82
7.1.290.0050.00815.69
7.1.280.0120.00015.96
7.1.270.0120.00315.91
7.1.260.0090.00915.67
7.1.250.0030.00815.74
7.1.240.0040.01115.87
7.1.230.0000.01415.59
7.1.220.0070.01115.71
7.1.210.0070.00715.69
7.1.200.0090.00615.77
7.1.190.0000.01115.95
7.1.180.0040.00715.83
7.1.170.0060.00915.77
7.1.160.0000.01616.00
7.1.150.0030.01415.77
7.1.140.0030.01115.96
7.1.130.0060.00915.87
7.1.120.0060.00915.83
7.1.110.0090.00915.96
7.1.100.0090.00515.83
7.1.90.0110.00315.97
7.1.80.0030.01115.64
7.1.70.0020.01116.52
7.1.60.0050.01317.72
7.1.50.0050.01216.42
7.1.40.0060.00915.91
7.1.30.0100.00315.78
7.1.20.0070.00415.91
7.1.10.0080.00415.95
7.1.00.0060.04019.13
7.0.330.0060.00615.23
7.0.320.0040.01315.55
7.0.310.0080.00815.44
7.0.300.0080.00415.61
7.0.290.0040.01315.30
7.0.280.0080.00515.36
7.0.270.0080.00315.44
7.0.260.0060.00315.21
7.0.250.0040.00415.41
7.0.240.0100.00015.42
7.0.230.0050.00515.38
7.0.220.0090.00615.68
7.0.210.0080.00515.55
7.0.200.0050.00516.08
7.0.190.0030.00615.27
7.0.180.0030.01315.14
7.0.170.0070.00715.44
7.0.160.0090.00315.59
7.0.150.0030.01115.40
7.0.140.0030.04218.83
7.0.130.0080.00415.08
7.0.120.0090.00515.00
7.0.110.0120.00415.50
7.0.100.0070.00715.13
7.0.90.0000.01315.47
7.0.80.0090.00615.54
7.0.70.0070.00715.45
7.0.60.0080.03617.60
7.0.50.0090.02616.72
7.0.40.0160.03816.70
7.0.30.0150.03716.79
7.0.20.0180.04316.93
7.0.10.0130.03616.74
7.0.00.0070.03016.85
5.6.400.0110.00614.47
5.6.390.0060.00814.46
5.6.380.0000.01314.43
5.6.370.0080.00414.60
5.6.360.0060.00614.64
5.6.350.0070.01114.52
5.6.340.0070.00714.67
5.6.330.0070.00714.33
5.6.320.0080.00314.61
5.6.310.0040.00814.66
5.6.300.0040.00814.57
5.6.290.0100.00314.36
5.6.280.0080.03917.87
5.6.270.0020.01214.60
5.6.260.0060.01114.75
5.6.250.0060.00914.40
5.6.240.0060.01114.27
5.6.230.0080.00814.43
5.6.220.0120.00314.50
5.6.210.0090.04617.57
5.6.200.0150.03816.19
5.6.190.0050.04217.44
5.6.180.0220.03217.33
5.6.170.0190.01917.42
5.6.160.0050.02317.37
5.6.150.0070.04416.30
5.6.140.0090.02516.33
5.6.130.0110.04016.28
5.6.120.0070.02117.78
5.6.110.0080.03617.84
5.6.100.0090.04217.66
5.6.90.0060.04517.78
5.6.80.0100.01917.40
5.6.70.0070.01014.46
5.6.60.0080.00514.48
5.6.50.0120.00014.02
5.6.40.0070.00214.36
5.6.30.0090.00914.26
5.6.20.0100.00514.43
5.6.10.0070.00714.48
5.6.00.0040.00814.22
5.5.380.0070.00414.48
5.5.370.0090.00614.37
5.5.360.0060.00914.64
5.5.350.0120.04017.23
5.5.340.0030.02216.22
5.5.330.0010.03317.38
5.5.320.0220.03117.35
5.5.310.0150.02217.38
5.5.300.0060.03516.27
5.5.290.0070.04716.11
5.5.280.0030.03817.79
5.5.270.0070.04817.51
5.5.260.0070.04617.75
5.5.250.0090.04417.45
5.5.240.0070.02017.33
5.5.230.0070.00714.47
5.5.220.0040.01113.94
5.5.210.0090.00314.53
5.5.200.0140.00314.25
5.5.190.0100.01014.04
5.5.180.0040.00814.49
5.5.170.0000.00914.44
5.5.160.0060.00614.51
5.5.150.0000.01114.52
5.5.140.0030.01314.34
5.5.130.0060.00614.15
5.5.120.0000.01214.39
5.5.110.0090.00614.22
5.5.100.0040.00814.25
5.5.90.0080.00914.30
5.5.80.0110.00414.48
5.5.70.0100.00514.70
5.5.60.0000.01014.38
5.5.50.0060.01114.08
5.5.40.0110.00414.45
5.5.30.0110.00014.14
5.5.20.0000.01314.30
5.5.10.0030.01214.39
5.5.00.0000.01314.39
5.4.450.0100.02715.31
5.4.440.0300.02015.39
5.4.430.0100.03115.30
5.4.420.0290.02515.27
5.4.410.0190.02715.17
5.4.400.0020.02414.97
5.4.390.0170.02915.19
5.4.380.0180.03714.90
5.4.370.0130.03214.68
5.4.360.0200.02614.86
5.4.350.0150.03515.01
5.4.340.0220.02414.72
5.4.330.0000.00810.95
5.4.320.0070.02111.70
5.4.310.0040.02511.73
5.4.300.0060.02811.76
5.4.290.0050.02011.85
5.4.280.0060.02011.66
5.4.270.0050.02311.77
5.4.260.0040.02411.78
5.4.250.0040.02511.48
5.4.240.0080.02111.62
5.4.230.0090.01811.57
5.4.220.0020.02511.63
5.4.210.0070.02111.81
5.4.200.0070.02011.67
5.4.190.0040.02211.78
5.4.180.0080.01911.64
5.4.170.0040.02411.66
5.4.160.0040.02511.71
5.4.150.0080.01911.61
5.4.140.0080.01911.40
5.4.130.0080.01811.55
5.4.120.0080.01911.61
5.4.110.0050.01911.48
5.4.100.0080.01911.67
5.4.90.0040.02311.51
5.4.80.0070.02211.57
5.4.70.0070.01811.57
5.4.60.0060.01911.54
5.4.50.0090.01911.63
5.4.40.0050.02111.53
5.4.30.0050.02211.57
5.4.20.0040.02211.50
5.4.10.0090.01811.49
5.4.00.0060.02411.21
5.3.290.0100.03712.80
5.3.280.0080.03912.71
5.3.270.0060.04512.72
5.3.260.0120.05112.72
5.3.250.0070.04612.72
5.3.240.0090.04612.72
5.3.230.0080.04112.71
5.3.220.0080.03612.68
5.3.210.0130.04212.68
5.3.200.0040.03912.68
5.3.190.0090.03412.68
5.3.180.0070.03712.68
5.3.170.0050.03812.67
5.3.160.0050.03812.68
5.3.150.0040.03912.68
5.3.140.0090.03312.66
5.3.130.0090.04212.66
5.3.120.0090.03712.66
5.3.110.0080.03812.66
5.3.100.0090.04312.12
5.3.90.0030.04312.08
5.3.80.0070.03912.07
5.3.70.0090.03412.08
5.3.60.0070.03712.07
5.3.50.0090.05212.00
5.3.40.0080.05012.00
5.3.30.0100.05311.95
5.3.20.0050.04911.72
5.3.10.0070.04911.69
5.3.00.0080.05011.68
5.2.170.0040.0329.18
5.2.160.0040.0319.18
5.2.150.0080.0289.18
5.2.140.0060.0309.17
5.2.130.0060.0329.14
5.2.120.0030.0319.14
5.2.110.0060.0289.14
5.2.100.0060.0279.14
5.2.90.0050.0299.14
5.2.80.0040.0319.14
5.2.70.0090.0279.14
5.2.60.0060.0309.09
5.2.50.0050.0309.06
5.2.40.0060.0299.04
5.2.30.0070.0299.01
5.2.20.0060.0299.00
5.2.10.0060.0318.92
5.2.00.0080.0288.78
5.1.60.0120.0208.06
5.1.50.0050.0258.06
5.1.40.0050.0248.05
5.1.30.0020.0288.39
5.1.20.0080.0248.41
5.1.10.0060.0258.14
5.1.00.0080.0238.14
5.0.50.0040.0206.62
5.0.40.0030.0206.48
5.0.30.0040.0326.29
5.0.20.0040.0196.26
5.0.10.0080.0176.24
5.0.00.0020.0316.24
4.4.90.0030.0154.78
4.4.80.0020.0154.75
4.4.70.0050.0134.76
4.4.60.0020.0164.75
4.4.50.0040.0144.77
4.4.40.0050.0234.71
4.4.30.0020.0164.76
4.4.20.0050.0154.84
4.4.10.0060.0204.85
4.4.00.0040.0324.76
4.3.110.0040.0144.67
4.3.100.0030.0194.66
4.3.90.0020.0154.63
4.3.80.0040.0314.59
4.3.70.0020.0234.63
4.3.60.0050.0204.63
4.3.50.0030.0214.63
4.3.40.0030.0244.54
4.3.30.0020.0163.30
4.3.20.0010.0173.27
4.3.10.0050.0133.24
4.3.00.0030.01313.95

preferences:
41.9 ms | 401 KiB | 5 Q