3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 0; $data = array(); $total = memory_get_usage(true); for ($i=0; $i<1000; $i++) { $data[$i] = $i; } echo memory_get_usage(true) - $total, " bytes"; $var['test'] = 'value';

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)
7.4.00.0090.00614.64
7.3.120.0120.00614.83
7.3.110.0120.00314.87
7.3.100.0000.01414.63
7.3.90.0100.00614.87
7.3.80.0090.00614.99
7.3.70.0040.00414.73
7.3.60.0000.01414.80
7.3.50.0090.00615.05
7.3.40.0040.01114.79
7.3.30.0070.00715.03
7.3.20.0030.00716.67
7.3.10.0000.01216.59
7.3.00.0070.00316.58
7.2.250.0060.01315.21
7.2.240.0100.00715.13
7.2.230.0030.01614.80
7.2.220.0040.01515.16
7.2.210.0040.01415.02
7.2.200.0030.01315.29
7.2.190.0130.00315.08
7.2.180.0030.01115.13
7.2.170.0000.01815.15
7.2.00.0060.00619.35
7.1.330.0070.00715.96
7.1.320.0070.00715.96
7.1.310.0070.01015.93
7.1.300.0040.00715.86
7.1.290.0030.00715.86
7.1.280.0040.01115.79
7.1.270.0000.01015.84
7.1.260.0030.00615.67
7.1.70.0000.00717.38
7.1.60.0070.00316.94
7.1.50.0100.01316.99
7.1.00.0030.04022.51
7.0.200.0070.00016.86
7.0.140.0000.07722.00
7.0.100.0100.08719.90
7.0.90.0370.06319.84
7.0.80.0330.09019.87
7.0.70.0270.04019.91
7.0.60.0270.08719.94
7.0.50.0300.09020.13
7.0.40.0070.05720.00
7.0.30.0070.07719.95
7.0.20.0130.08020.05
7.0.10.0030.08720.04
7.0.00.0030.07720.07
5.6.280.0070.07020.89
5.6.250.0130.06020.58
5.6.240.0130.06320.73
5.6.230.0200.06720.48
5.6.220.0100.07020.58
5.6.210.0070.07020.64
5.6.200.0130.08021.10
5.6.190.0070.06320.93
5.6.180.0070.08321.00
5.6.170.0170.07020.94
5.6.160.0130.05321.15
5.6.150.0030.09021.08
5.6.140.0130.03721.06
5.6.130.0130.07321.01
5.6.120.0170.07721.05
5.6.110.0070.08321.04
5.6.100.0100.07721.01
5.6.90.0070.08321.13
5.6.80.0070.08020.41
5.6.70.0170.06320.43
5.6.60.0070.07020.34
5.6.50.0130.07320.47
5.6.40.0130.06320.37
5.6.30.0170.08020.41
5.6.20.0100.07320.37
5.6.10.0070.07320.36
5.6.00.0030.04720.27
5.5.380.0070.07720.33
5.5.370.0100.07720.34
5.5.360.0130.06320.39
5.5.350.0030.03720.40
5.5.340.0100.08020.74
5.5.330.0000.09020.71
5.5.320.0130.07020.84
5.5.310.0170.07020.75
5.5.300.0130.07720.87
5.5.290.0200.07320.84
5.5.280.0030.07720.86
5.5.270.0100.06720.86
5.5.260.0170.07020.88
5.5.250.0070.09720.59
5.5.240.0030.06720.16
5.5.230.0100.07720.24
5.5.220.0200.07020.08
5.5.210.0100.07320.14
5.5.200.0070.06720.23
5.5.190.0130.06319.97
5.5.180.0100.08719.97
5.5.160.0070.05719.98
5.5.150.0030.07320.16
5.5.140.0100.04320.25
5.5.130.0130.07020.06
5.5.120.0070.07720.21
5.5.110.0030.06320.15
5.5.100.0070.05720.08
5.5.90.0030.07720.03
5.5.80.0000.09320.04
5.5.70.0070.07720.04
5.5.60.0070.08020.01
5.5.50.0070.08020.07
5.5.40.0130.07320.07
5.5.30.0130.06320.11
5.5.20.0100.05020.13
5.5.10.0200.04320.02
5.5.00.0170.07320.02
5.4.450.0070.07719.27
5.4.440.0000.08719.30
5.4.430.0100.07319.55
5.4.420.0100.08019.43
5.4.410.0100.07319.10
5.4.400.0130.06719.07
5.4.390.0170.07018.84
5.4.380.0030.07719.04
5.4.370.0030.05718.81
5.4.360.0070.07319.12
5.4.350.0070.07719.13
5.4.340.0100.07319.12
5.4.320.0170.04018.81
5.4.310.0200.06019.17
5.4.300.0070.07718.78
5.4.290.0130.07319.12
5.4.280.0100.07719.09
5.4.270.0000.06319.05
5.4.260.0070.08719.14
5.4.250.0070.07019.05
5.4.240.0170.07019.04
5.4.230.0230.02719.04
5.4.220.0100.07719.02
5.4.210.0170.06719.04
5.4.200.0130.07318.95
5.4.190.0000.05718.97
5.4.180.0070.05319.11
5.4.170.0100.07718.96
5.4.160.0100.07019.02
5.4.150.0100.05718.92
5.4.140.0130.06716.27
5.4.130.0030.04316.05
5.4.120.0070.06716.33
5.4.110.0100.04716.27
5.4.100.0030.07716.39
5.4.90.0100.07016.36
5.4.80.0230.05316.30
5.4.70.0100.04016.39
5.4.60.0200.06016.39
5.4.50.0030.07016.29
5.4.40.0170.06316.34
5.4.30.0100.03716.28
5.4.20.0170.06316.38
5.4.10.0130.07316.38
5.4.00.0100.06715.79
5.3.290.0030.04314.74
5.3.280.0170.05714.54
5.3.270.0070.08014.72
5.3.260.0100.06314.72
5.3.250.0070.04014.74
5.3.240.0070.07314.74
5.3.230.0130.07314.59
5.3.220.0070.07314.70
5.3.210.0070.08014.55
5.3.200.0000.08314.56
5.3.190.0130.07714.54
5.3.180.0030.06314.52
5.3.170.0070.06714.55
5.3.160.0030.07314.65
5.3.150.0130.05714.68
5.3.140.0030.07714.52
5.3.130.0030.08014.52
5.3.120.0070.07714.64
5.3.110.0100.07314.63
5.3.100.0000.04714.03
5.3.90.0100.07714.14
5.3.80.0070.04014.05
5.3.70.0070.04014.16
5.3.60.0070.06314.09
5.3.50.0200.06314.04
5.3.40.0070.07313.99
5.3.30.0070.06014.04
5.3.20.0100.06313.68
5.3.10.0070.06013.73
5.3.00.0030.07713.73
5.2.170.0070.06311.12
5.2.160.0030.03311.23
5.2.150.0030.03711.10
5.2.140.0030.06311.33
5.2.130.0030.05311.21
5.2.120.0070.06311.18
5.2.110.0000.07011.24
5.2.100.0030.06311.30
5.2.90.0000.06711.22
5.2.80.0070.07011.27
5.2.70.0030.06711.17
5.2.60.0030.07011.02
5.2.50.0030.06010.94
5.2.40.0000.06311.04
5.2.30.0000.07310.89
5.2.20.0070.05711.07
5.2.10.0030.06310.98
5.2.00.0070.05710.63
5.1.60.0030.04310.02
5.1.50.0030.03310.04
5.1.40.0070.05010.00
5.1.30.0000.06010.39
5.1.20.0070.05310.43
5.1.10.0030.05710.11
5.1.00.0000.04010.07
5.0.50.0100.0308.42
5.0.40.0070.0438.39
5.0.30.0030.0608.25
5.0.20.0030.0478.04
5.0.10.0100.0238.24
5.0.00.0070.0638.26
4.4.90.0030.0337.53
4.4.80.0030.0407.53
4.4.70.0000.0377.53
4.4.60.0000.0377.53
4.4.50.0100.0307.53
4.4.40.0000.0537.53
4.4.30.0070.0337.53
4.4.20.0070.0307.53
4.4.10.0000.0277.53
4.4.00.0030.0537.53
4.3.110.0030.0377.53
4.3.100.0000.0337.53
4.3.90.0000.0307.53
4.3.80.0030.0507.53
4.3.70.0000.0377.53
4.3.60.0000.0377.53
4.3.50.0030.0307.53
4.3.40.0030.0537.53
4.3.30.0000.0407.53
4.3.20.0000.0377.53
4.3.10.0000.0377.53
4.3.00.0000.0377.53

preferences:
33.42 ms | 401 KiB | 5 Q