3v4l.org

run code in 300+ PHP versions simultaneously
<?php $max = 1000; $arr = array_fill(0, $max, 1); $mem = memory_get_usage(); $count = 0; foreach ($arr as $key => &$val) { $count ++; $arr[$max+1] = 9999; } echo $count.' === '.(memory_get_usage()-$mem);

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)
7.4.00.0120.00614.91
7.3.120.0070.01015.11
7.3.110.0100.00715.01
7.3.100.0060.00314.95
7.3.90.0060.01015.00
7.3.80.0080.00615.14
7.3.70.0040.00814.84
7.3.60.0040.00414.73
7.3.50.0060.00315.03
7.3.40.0080.00814.68
7.3.30.0060.00915.02
7.3.20.0030.00916.71
7.3.10.0040.01116.57
7.3.00.0060.00816.78
7.2.250.0060.01315.32
7.2.240.0070.01014.95
7.2.230.0030.01315.21
7.2.220.0070.00315.18
7.2.210.0060.00915.17
7.2.200.0060.00915.10
7.2.190.0060.00915.13
7.2.180.0030.00715.17
7.2.170.0070.01015.11
7.2.130.0070.00916.76
7.2.120.0040.01016.75
7.2.110.0080.00516.88
7.2.100.0060.00516.90
7.2.90.0080.01016.90
7.2.80.0050.01116.91
7.2.70.0060.00816.77
7.2.60.0060.00316.87
7.2.50.0040.00916.96
7.2.40.0100.00716.90
7.2.30.0080.00817.01
7.2.20.0050.01116.86
7.2.10.0160.00816.95
7.2.00.0040.01017.75
7.1.330.0090.00615.75
7.1.320.0040.00815.71
7.1.310.0030.00515.61
7.1.300.0090.00315.68
7.1.290.0030.01015.54
7.1.280.0070.00715.76
7.1.270.0110.00315.99
7.1.260.0060.00615.71
7.1.250.0020.01315.75
7.1.70.0060.00317.19
7.1.60.0070.01819.33
7.1.50.0130.00316.76
7.1.00.0030.07022.43
7.0.200.0000.01016.84
7.0.140.0070.07022.00
7.0.60.0200.06319.80
7.0.50.0130.05317.86
7.0.40.0070.04320.40
7.0.30.0370.05320.21
7.0.20.0270.05020.33
7.0.10.0100.08320.18
7.0.00.0000.04720.30
5.6.280.0070.07321.14
5.6.210.0130.07720.75
5.6.200.0070.04718.19
5.6.190.0000.06320.35
5.6.180.0400.05720.61
5.6.170.0300.06020.38
5.6.160.0100.06020.38
5.6.150.0130.07718.09
5.6.140.0000.08318.18
5.6.130.0030.05318.12
5.6.120.0070.04021.15
5.6.110.0100.08020.92
5.6.100.0100.08021.01
5.6.90.0100.04720.98
5.6.80.0100.08020.51
5.6.70.4630.03720.42
5.5.350.0130.08020.50
5.5.340.0030.07717.98
5.5.330.0170.04320.21
5.5.320.0070.08020.07
5.5.310.0300.07020.23
5.5.300.0000.04017.92
5.5.290.0100.05717.92
5.5.280.0070.07320.77
5.5.270.0100.08320.87
5.5.260.0000.04721.00
5.5.250.0130.05320.73
5.5.240.0270.05320.32
5.4.450.0270.06319.45
5.4.440.0330.04319.21
5.4.430.0230.05019.10
5.4.420.0200.04719.43
5.4.410.0170.04019.44
5.4.400.0270.03018.94
5.4.390.0300.06018.80
5.4.380.0230.05019.06
5.4.370.0270.05718.82
5.4.360.0230.04319.23
5.4.350.0270.05719.08
5.4.340.0200.05719.08
5.4.320.0270.03718.78
5.4.310.0330.06718.89
5.4.300.0200.06019.08
5.4.290.0230.04019.15
5.4.280.0230.05719.24
5.4.270.0230.03719.08
5.4.260.0300.04019.21
5.4.250.0200.07019.16
5.4.240.0200.03719.08
5.4.230.0200.04019.11
5.4.220.0170.04019.24
5.4.210.0230.03719.07
5.4.200.0170.04019.08
5.4.190.0170.04018.90
5.4.180.0270.03319.07
5.4.170.0270.06018.91
5.4.160.0230.04019.07
5.4.150.0270.05019.06
5.4.140.0230.05016.32
5.4.130.0200.04016.28
5.4.120.0200.03716.48
5.4.110.0200.03316.44
5.4.100.0130.04316.28
5.4.90.0270.06316.44
5.4.80.0170.04316.51
5.4.70.0230.05316.40
5.4.60.0300.06016.41
5.4.50.0300.04016.41
5.4.40.0170.04016.28
5.4.30.0200.03316.41
5.4.20.0170.03716.41
5.4.10.0230.03016.45
5.4.00.0170.03716.28
5.3.290.0230.03316.28
5.3.280.0230.04716.28
5.3.270.0130.05316.28
5.3.260.0200.03716.28
5.3.250.0200.05016.28
5.3.240.0200.06016.28
5.3.230.0300.07016.28
5.3.220.0300.07016.28
5.3.210.0330.06016.28
5.3.200.0270.04016.28
5.3.190.0300.03716.28
5.3.180.0300.06316.28
5.3.170.0230.03716.28
5.3.160.0300.07016.28
5.3.150.0300.06316.28
5.3.140.0230.07316.28
5.3.130.0300.04016.28
5.3.120.0270.07316.28
5.3.110.0270.06716.28
5.3.100.0330.06316.28
5.3.90.0270.04716.28
5.3.80.0370.06016.28
5.3.70.0470.02716.28
5.3.60.0230.06316.28
5.3.50.0370.06016.28
5.3.40.0330.05716.28
5.3.30.0300.05716.28
5.3.20.0330.03716.28
5.3.10.0200.04716.28
5.3.00.0300.06016.28
5.2.170.0200.04316.28
5.2.160.0200.06016.28
5.2.150.0230.05016.28
5.2.140.0230.05016.28
5.2.130.0230.06016.28
5.2.120.0370.05016.28
5.2.110.0200.04016.28
5.2.100.0270.03016.28
5.2.90.0230.06016.28
5.2.80.0370.04716.28
5.2.70.0230.05316.28
5.2.60.0230.04716.28
5.2.50.0230.03716.28
5.2.40.0130.06716.28
5.2.30.0230.05016.28
5.2.20.0170.05016.28
5.2.10.0230.05316.28
5.2.00.0270.05716.28
5.1.60.0230.05016.28
5.1.50.0230.04016.28
5.1.40.0230.04716.28
5.1.30.0100.03316.28
5.1.20.0130.03316.28
5.1.10.0170.04716.28
5.1.00.0200.03316.28
5.0.50.0170.04016.28
5.0.40.0130.02316.28
5.0.30.0100.03316.28
5.0.20.0100.03716.28
5.0.10.0100.04316.28
5.0.00.0130.06316.28
4.4.90.0100.03716.28
4.4.80.0130.02016.28
4.4.70.0130.02016.28
4.4.60.0100.01716.28
4.4.50.0070.01716.28
4.4.40.0130.03316.28
4.4.30.0130.02316.28
4.4.20.0170.03016.28
4.4.10.0170.03716.28
4.4.00.0130.04716.28
4.3.110.0100.03316.28
4.3.100.0100.01316.28
4.3.90.0070.03716.28
4.3.80.0130.02716.28
4.3.70.0100.01316.28
4.3.60.0100.01316.28
4.3.50.0070.01716.28
4.3.40.0100.03016.28
4.3.30.0030.01716.28
4.3.20.0030.03316.28
4.3.10.0030.01716.28
4.3.00.0070.01316.28

preferences:
36.26 ms | 401 KiB | 5 Q