3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { static $array = array(); $i = 0; while ($i < 10000) { $array[] = $i; $i++; } $key = 9999; $exists = array_key_exists($key, $array); if ($exists === true) echo 'exists'; else echo 'does not exist'; } foo();

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)
8.3.70.0110.00716.88
8.3.60.0100.01016.88
8.3.50.0030.01422.89
8.3.40.0000.01518.86
8.3.30.0110.00419.35
8.3.20.0000.00720.29
8.3.10.0080.00023.66
8.3.00.0050.00319.51
8.2.180.0100.01316.88
8.2.170.0090.00922.96
8.2.160.0070.00720.33
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00420.95
8.2.110.0040.00422.26
8.2.100.0060.00617.83
8.2.90.0050.00319.30
8.2.80.0080.00017.97
8.2.70.0030.00617.75
8.2.60.0000.00818.16
8.2.50.0040.00418.07
8.2.40.0030.00518.34
8.2.30.0000.00818.16
8.2.20.0040.00417.83
8.2.10.0040.00418.19
8.2.00.0000.00717.91
8.1.280.0060.01225.92
8.1.270.0000.00923.96
8.1.260.0030.00626.35
8.1.250.0030.00528.09
8.1.240.0000.00823.75
8.1.230.0040.00819.47
8.1.220.0000.00818.16
8.1.210.0080.00018.77
8.1.200.0100.00017.60
8.1.190.0040.00417.60
8.1.180.0080.00018.10
8.1.170.0000.00918.98
8.1.160.0050.00322.33
8.1.150.0040.00419.25
8.1.140.0040.00417.71
8.1.130.0030.00318.01
8.1.120.0000.00817.67
8.1.110.0000.00717.67
8.1.100.0000.00717.63
8.1.90.0070.00017.71
8.1.80.0000.00717.61
8.1.70.0070.00017.68
8.1.60.0030.00517.91
8.1.50.0040.00417.86
8.1.40.0040.00517.85
8.1.30.0000.00817.89
8.1.20.0050.00317.92
8.1.10.0040.00417.86
8.1.00.0040.00417.84
8.0.300.0080.00018.77
8.0.290.0040.00417.13
8.0.280.0070.00018.66
8.0.270.0020.00517.18
8.0.260.0000.00717.57
8.0.250.0020.00517.17
8.0.240.0040.00417.26
8.0.230.0070.00017.20
8.0.220.0030.00317.27
8.0.210.0000.00717.08
8.0.200.0030.00317.31
8.0.190.0040.00417.25
8.0.180.0000.00717.08
8.0.170.0000.00817.22
8.0.160.0000.01217.19
8.0.150.0050.00317.14
8.0.140.0040.00717.13
8.0.130.0000.00613.63
8.0.120.0040.00417.05
8.0.110.0040.00417.23
8.0.100.0000.00817.07
8.0.90.0020.00517.04
8.0.80.0100.00717.10
8.0.70.0000.00817.16
8.0.60.0040.00417.11
8.0.50.0040.00417.20
8.0.30.0140.00617.52
8.0.20.0170.00517.40
8.0.10.0040.00417.11
8.0.00.0070.01417.05
7.4.330.0050.00015.00
7.4.320.0000.00616.76
7.4.300.0060.00016.83
7.4.290.0030.00316.75
7.4.280.0100.00016.90
7.4.270.0040.00416.97
7.4.260.0040.00416.86
7.4.250.0000.00816.89
7.4.240.0020.00516.91
7.4.230.0050.00316.86
7.4.220.0100.00716.88
7.4.210.0060.00916.85
7.4.200.0040.00416.87
7.4.160.0040.01116.84
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0040.01516.87
7.4.120.0060.01216.74
7.4.110.0070.01016.82
7.4.100.0040.01216.73
7.4.90.0120.01216.91
7.4.80.0090.00919.39
7.4.70.0150.00916.93
7.4.60.0090.01216.87
7.4.50.0060.00316.91
7.4.40.0090.01216.88
7.4.30.0140.00416.79
7.4.00.0130.00315.26
7.3.330.0050.00013.62
7.3.320.0030.00313.51
7.3.310.0040.00416.71
7.3.300.0000.00716.64
7.3.290.0040.01416.71
7.3.280.0080.00916.63
7.3.270.0030.01917.40
7.3.260.0080.01016.86
7.3.240.0070.01416.68
7.3.230.0100.00716.88
7.3.210.0090.00916.86
7.3.200.0090.01219.39
7.3.190.0100.01116.98
7.3.180.0000.01716.94
7.3.170.0130.00317.06
7.3.160.0090.00916.84
7.2.330.0130.01317.10
7.2.320.0090.00916.81
7.2.310.0190.00316.90
7.2.300.0090.00917.03
7.2.290.0100.00717.09
7.1.70.0060.00916.93
7.1.60.0070.01019.40
7.1.50.0000.01216.76
7.1.00.0100.07022.28
7.0.200.0080.00816.82
7.0.140.0000.07321.95
7.0.60.0030.07320.38
7.0.50.0000.06318.20
7.0.40.0100.05720.18
7.0.30.0330.07720.26
7.0.20.0270.05720.23
7.0.10.0070.07720.10
7.0.00.0000.05020.32
5.6.280.0030.07323.18
5.6.210.0130.07322.86
5.6.200.0130.08020.51
5.6.190.0170.08722.65
5.6.180.0330.06722.71
5.6.170.0170.05722.75
5.6.160.0070.09022.48
5.6.150.0000.06020.45
5.6.140.0100.04020.31
5.6.130.0030.08720.46
5.6.120.0000.08023.37
5.6.110.0130.08723.41
5.6.100.0070.08023.30
5.6.90.0300.06323.35
5.6.80.0130.06722.61
5.5.350.4130.04722.70
5.5.340.0130.08720.21
5.5.330.0070.08722.51
5.5.320.0230.06322.29
5.5.310.0200.04722.56
5.5.300.0070.08020.36
5.5.290.0130.08320.28
5.5.280.0030.04323.05
5.5.270.0070.09323.29
5.5.260.0070.04023.14
5.5.250.0170.06722.81
5.5.240.0000.04022.47
5.4.450.0770.06721.59
5.4.440.0870.05321.79
5.4.430.0130.06021.57
5.4.420.1030.06321.75
5.4.410.0170.05021.31
5.4.400.0500.04321.47
5.4.390.0800.05721.36
5.4.380.0230.05021.02
5.4.370.0130.03721.04
5.4.360.0200.02321.00
5.4.350.0110.03414.33
5.4.340.0170.06114.33
5.4.320.0100.03714.81
5.4.310.0080.04514.81
5.4.300.0090.03614.82
5.4.290.0040.04314.81
5.4.280.0050.03914.71
5.4.270.0060.03914.71
5.4.260.0070.04014.71
5.4.250.0070.04014.71
5.4.240.0090.03614.71
5.4.230.0070.04014.71
5.4.220.0090.03614.70
5.4.210.0050.04014.71
5.4.200.0070.04214.70
5.4.190.0040.04214.70
5.4.180.0100.04214.70
5.4.170.0050.04414.71
5.4.160.0080.03914.71
5.4.150.0080.04314.70
5.4.140.0100.03614.39
5.4.130.0050.03914.37
5.4.120.0080.03614.33
5.4.110.0090.03514.32
5.4.100.0090.03514.32
5.4.90.0060.03914.32
5.4.80.0060.03814.33
5.4.70.0050.03814.32
5.4.60.0090.03414.32
5.4.50.0070.03614.32
5.4.40.0050.03714.31
5.4.30.0050.04014.31
5.4.20.0070.03814.31
5.4.10.0050.04114.30
5.4.00.0070.03813.79
5.3.290.0050.04615.02
5.3.280.0090.03914.94
5.3.270.0100.03914.96
5.3.260.0060.04414.96
5.3.250.0060.04214.96
5.3.240.0080.04314.95
5.3.230.0070.04414.95
5.3.220.0110.03614.92
5.3.210.0080.03914.91
5.3.200.0090.03614.92
5.3.190.0060.04814.92
5.3.180.0060.04514.91
5.3.170.0080.03714.91
5.3.160.0080.03714.92
5.3.150.0090.03714.92
5.3.140.0050.04114.90
5.3.130.0100.03814.90
5.3.120.0090.04614.90
5.3.110.0120.03814.90
5.3.100.0050.04314.39
5.3.90.0110.05314.38
5.3.80.0090.05114.36
5.3.70.0070.05414.36
5.3.60.0090.04614.35
5.3.50.0050.04314.29
5.3.40.0090.04014.30
5.3.30.0070.03714.25
5.3.20.0050.04314.04
5.3.10.0060.03614.00
5.3.00.0080.05113.99
5.2.170.0080.03311.22
5.2.160.0050.03111.21
5.2.150.0060.03211.21
5.2.140.0050.03411.21
5.2.130.0060.03211.17
5.2.120.0080.02811.17
5.2.110.0060.03011.18
5.2.100.0060.03011.18
5.2.90.0030.03211.17
5.2.80.0010.03611.17
5.2.70.0040.03311.17
5.2.60.0050.03511.13
5.2.50.0050.04511.41
5.2.40.0060.03911.07
5.2.30.0040.04911.04
5.2.20.0070.04211.04
5.2.10.0060.04010.94
5.2.00.0090.03810.80
5.1.60.0060.03510.90
5.1.50.0060.03510.89
5.1.40.0050.03911.05
5.1.30.0070.04011.22
5.1.20.0080.03811.25
5.1.10.0050.03210.97
5.1.00.0030.03010.97
5.0.50.0010.0289.45
5.0.40.0030.0259.31
5.0.30.0050.0359.12
5.0.20.0050.0229.09
5.0.10.0050.0239.07
5.0.00.0040.0359.06
4.4.90.0020.0217.49
4.4.80.0050.0187.47
4.4.70.0040.0247.47
4.4.60.0070.0247.47
4.4.50.0050.0267.49
4.4.40.0070.0357.48
4.4.30.0070.0177.47
4.4.20.0060.0177.54
4.4.10.0040.0217.54
4.4.00.0020.0307.50
4.3.110.0020.0227.41
4.3.100.0050.0187.40
4.3.90.0030.0197.38
4.3.80.0040.0307.38
4.3.70.0050.0187.38
4.3.60.0030.0197.38
4.3.50.0030.0227.37
4.3.40.0040.0287.33
4.3.30.0050.0186.14
4.3.20.0010.0236.12
4.3.10.0030.0206.07
4.3.00.0100.0307.21

preferences:
54.74 ms | 401 KiB | 5 Q