3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('KEYS', 1000); $a = array(); function fill(&$arr) { for ($i = 1; $i <= 10; $i++) { $arr['key-' . $i] = $i; } } /*function read_key(&$arr) { for ($i = 1; $i <= KEYS; $i++) { for ($j = 1; $j <= 10; $i++) { $v = $arr['key-' . $i]; } } }*/ function for_each(&$arr) { for ($i = 1; $i <= KEYS; $i++) { foreach ($arr as $key => $value) { $v = $value; } } } fill($a); //read_key($a); for_each($a);

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)
8.3.60.0140.00716.75
8.3.50.0150.00721.95
8.3.40.0090.01218.61
8.3.30.0090.00619.04
8.3.20.0070.00020.23
8.3.10.0070.00023.66
8.3.00.0040.00419.25
8.2.180.0190.00318.18
8.2.170.0110.00422.96
8.2.160.0100.00320.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0120.00626.16
8.2.120.0070.00022.29
8.2.110.0030.00719.21
8.2.100.0090.00317.72
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0050.00320.07
8.2.30.0040.00418.11
8.2.20.0040.00417.63
8.2.10.0000.00819.96
8.2.00.0030.00617.74
8.1.280.0380.00925.92
8.1.270.0080.00023.80
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0110.00419.27
8.1.230.0070.00319.07
8.1.220.0060.00317.79
8.1.210.0050.00318.77
8.1.200.0060.00317.48
8.1.190.0030.00617.52
8.1.180.0030.00818.98
8.1.170.0040.00418.55
8.1.160.0040.00421.91
8.1.150.0040.00418.64
8.1.140.0070.00017.55
8.1.130.0050.00217.87
8.1.120.0050.00317.33
8.1.110.0050.00517.50
8.1.100.0030.00717.37
8.1.90.0040.00417.52
8.1.80.0000.00717.43
8.1.70.0000.00717.37
8.1.60.0080.00017.57
8.1.50.0040.00417.52
8.1.40.0030.00617.54
8.1.30.0050.00317.47
8.1.20.0000.00917.65
8.1.10.0030.00617.58
8.1.00.0030.00617.44
8.0.300.0080.00020.48
8.0.290.0070.00017.05
8.0.280.0070.00018.51
8.0.270.0070.00017.13
8.0.260.0030.00317.26
8.0.250.0030.00316.97
8.0.240.0090.00016.96
8.0.230.0030.00316.96
8.0.220.0000.00716.86
8.0.210.0040.00416.77
8.0.200.0000.00716.91
8.0.190.0040.00416.90
8.0.180.0060.00616.80
8.0.170.0000.00816.96
8.0.160.0000.00716.87
8.0.150.0050.00216.82
8.0.140.0030.00516.82
8.0.130.0070.00013.26
8.0.120.0030.00616.82
8.0.110.0000.00716.72
8.0.100.0040.00416.69
8.0.90.0040.00416.70
8.0.80.0060.01316.95
8.0.70.0030.00516.74
8.0.60.0000.00816.95
8.0.50.0040.00416.80
8.0.30.0140.01017.02
8.0.20.0070.01217.40
8.0.10.0000.00816.91
8.0.00.0130.00616.77
7.4.330.0000.00515.00
7.4.320.0030.00316.55
7.4.300.0030.00316.68
7.4.290.0070.00016.51
7.4.280.0070.00016.40
7.4.270.0000.00716.40
7.4.260.0110.00016.50
7.4.250.0090.00016.46
7.4.240.0020.00516.54
7.4.230.0030.00316.67
7.4.220.0130.00716.53
7.4.210.0040.01216.62
7.4.200.0040.00416.43
7.4.190.0030.00316.73
7.4.160.0090.00616.32
7.4.150.0090.00917.40
7.4.140.0090.01017.86
7.4.130.0090.01016.64
7.4.120.0090.00916.66
7.4.110.0180.00316.50
7.4.100.0100.01316.46
7.4.90.0150.00316.39
7.4.80.0040.01619.39
7.4.70.0090.00916.57
7.4.60.0100.00716.37
7.4.50.0000.00916.36
7.4.40.0030.01222.77
7.4.30.0100.01016.57
7.4.00.0070.01014.90
7.3.330.0030.00313.22
7.3.320.0080.00013.29
7.3.310.0000.00716.35
7.3.300.0060.00316.27
7.3.290.0070.00716.37
7.3.280.0130.00816.33
7.3.270.0080.00817.40
7.3.260.0040.01616.18
7.3.250.0090.00916.48
7.3.240.0090.00916.66
7.3.230.0120.00916.55
7.3.210.0030.01416.24
7.3.200.0110.01019.39
7.3.190.0100.00716.28
7.3.180.0110.00516.66
7.3.170.0100.00716.73
7.3.160.0060.01016.48
7.3.120.0100.00514.79
7.3.110.0070.01014.39
7.3.100.0070.01014.81
7.3.90.0030.00514.81
7.3.80.0060.00915.05
7.3.70.0070.00714.98
7.3.60.0060.00914.97
7.3.50.0110.00714.89
7.3.40.0070.00714.60
7.3.30.0100.00614.98
7.3.20.0120.00616.82
7.3.10.0080.00516.76
7.3.00.0050.00616.75
7.2.330.0130.00316.82
7.2.320.0030.01316.89
7.2.310.0060.01216.44
7.2.300.0060.01016.78
7.2.290.0040.01316.41
7.2.250.0070.01115.02
7.2.240.0090.00914.95
7.2.230.0030.00615.18
7.2.220.0000.01315.05
7.2.210.0060.00915.25
7.2.200.0110.00315.05
7.2.190.0060.00615.15
7.2.180.0040.01515.19
7.2.170.0040.00715.05
7.2.130.0070.01016.92
7.2.120.0050.00516.78
7.2.110.0030.00916.63
7.2.100.0070.00716.94
7.2.90.0100.00317.04
7.2.80.0000.01216.75
7.2.70.0030.01316.85
7.2.60.0020.01216.87
7.2.50.0080.00617.03
7.2.40.0000.01316.96
7.2.30.0060.00916.83
7.2.20.0040.00816.97
7.2.10.0070.00716.73
7.2.00.0040.01017.97
7.1.330.0040.01115.97
7.1.320.0000.00915.68
7.1.310.0040.00815.81
7.1.300.0070.01016.01
7.1.290.0140.00315.93
7.1.280.0000.01315.62
7.1.270.0040.01215.73
7.1.260.0000.01815.89
7.1.250.0030.00615.89
7.1.200.0060.00615.81
7.1.100.0030.01318.25
7.1.70.0040.00417.22
7.1.60.0070.01819.46
7.1.50.0160.01334.91
7.1.00.0000.08022.28
7.0.200.0240.00015.07
7.0.140.0070.06722.15
7.0.60.0030.04020.03
7.0.50.0070.08717.96
7.0.40.0170.06019.96
7.0.30.0200.03720.26
7.0.20.0330.07720.07
7.0.10.0070.06320.09
7.0.00.0130.08320.22
5.6.280.0100.07021.07
5.6.210.0130.07320.75
5.6.200.0030.04718.19
5.6.190.0030.05320.61
5.6.180.0370.04720.63
5.6.170.0230.03720.52
5.6.160.0070.08320.55
5.6.150.0030.05318.28
5.6.140.0130.06018.14
5.6.130.0030.05718.18
5.6.120.0070.04720.98
5.6.110.0100.08321.12
5.6.100.0130.03321.05
5.6.90.0170.08020.99
5.6.80.0100.08020.52
5.5.350.0030.08320.43
5.5.340.0000.05317.93
5.5.330.0030.04020.13
5.5.320.0430.06720.38
5.5.310.0530.05720.27
5.5.300.0100.04718.04
5.5.290.0070.05318.07
5.5.280.0100.05720.77
5.5.270.0070.06320.87
5.5.260.0100.06320.68
5.5.250.0070.07020.54
5.5.240.0030.08720.16
5.4.450.0230.06319.57
5.4.440.0270.04319.27
5.4.430.0200.07719.45
5.4.420.0100.04719.27
5.4.410.0200.08019.29
5.4.400.0300.06318.84
5.4.390.0270.05319.24
5.4.380.0130.04019.22
5.4.370.0430.06019.14
5.4.360.0230.05319.22
5.4.350.0270.07318.95
5.4.340.0300.07019.27
5.4.320.0170.04019.13
5.4.310.0270.07319.22
5.4.300.0270.03319.31
5.4.290.0260.10212.49
5.4.280.0110.06512.39
5.4.270.0110.07412.39
5.4.260.0150.09812.39
5.4.250.0080.05812.39
5.4.240.0060.05712.39
5.4.230.0080.04612.38
5.4.220.0100.04612.38
5.4.210.0140.03912.38
5.4.200.0120.04912.38
5.4.190.0260.10212.38
5.4.180.0100.04912.38
5.4.170.0070.05512.38
5.4.160.0110.05612.38
5.4.150.0100.04912.37
5.4.140.0070.03912.06
5.4.130.0070.03712.04
5.4.120.0070.03712.00
5.4.110.0070.03712.00
5.4.100.0070.04012.00
5.4.90.0100.04512.00
5.4.80.0150.04112.00
5.4.70.0070.05312.00
5.4.60.0130.05412.00
5.4.50.0110.05512.00
5.4.40.0120.06111.98
5.4.30.0120.05811.98
5.4.20.0090.04411.98
5.4.10.0070.06311.98
5.4.00.0070.04911.47
5.3.290.3570.04314.59
5.3.280.0060.03912.71
5.3.270.0060.03912.72
5.3.260.0060.04012.72
5.3.250.0050.03912.72
5.3.240.0140.03712.72
5.3.230.0110.05212.71
5.3.220.0080.05812.68
5.3.210.0130.05412.68
5.3.200.0090.05412.68
5.3.190.0080.05312.68
5.3.180.0070.05512.68
5.3.170.0100.04912.66
5.3.160.0130.05112.67
5.3.150.0110.05412.67
5.3.140.0100.05412.66
5.3.130.0170.08112.66
5.3.120.0060.05912.65
5.3.110.0080.04112.66
5.3.100.0070.03912.11
5.3.90.0060.04512.10
5.3.80.0050.05412.10
5.3.70.0090.05012.10
5.3.60.0090.05012.08
5.3.50.0060.06012.03
5.3.40.0090.04912.03
5.3.30.0080.03511.99
5.3.20.0100.03711.77
5.3.10.0100.04011.73
5.3.00.0050.07211.72
5.2.170.0100.0449.23
5.2.160.0150.0719.23
5.2.150.0060.0479.23
5.2.140.0100.0429.21
5.2.130.0090.0379.18
5.2.120.0090.0309.18
5.2.110.0030.0359.19
5.2.100.0070.0309.19
5.2.90.0070.0319.18
5.2.80.0080.0389.18
5.2.70.0010.0429.18
5.2.60.0080.0359.14
5.2.50.0080.0409.11
5.2.40.0070.0319.09
5.2.30.0050.0349.06
5.2.20.0030.0349.04
5.2.10.0070.0368.94
5.2.00.0110.0378.81
5.1.60.0070.0308.09
5.1.50.0090.0468.09
5.1.40.0060.0468.07
5.1.30.0070.0448.42
5.1.20.0120.0458.44
5.1.10.0090.0338.16
5.1.00.0070.0488.17
5.0.50.0070.0336.64
5.0.40.0040.0366.51
5.0.30.0100.0466.32
5.0.20.0070.0366.29
5.0.10.0050.0256.26
5.0.00.0050.0436.26
4.4.90.0040.0214.78
4.4.80.0040.0204.75
4.4.70.0060.0194.75
4.4.60.0050.0214.75
4.4.50.0020.0214.77
4.4.40.0030.0314.71
4.4.30.0040.0244.76
4.4.20.0060.0304.84
4.4.10.0060.0384.85
4.4.00.0040.0394.76
4.3.110.0040.0194.67
4.3.100.0030.0204.67
4.3.90.0070.0154.63
4.3.80.0040.0294.59
4.3.70.0040.0194.63
4.3.60.0030.0304.63
4.3.50.0030.0324.63
4.3.40.0040.0424.54
4.3.30.0020.0323.30
4.3.20.0040.0373.29
4.3.10.0020.0213.25
4.3.00.0030.04313.91

preferences:
48.47 ms | 401 KiB | 5 Q