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 <= 1000; $i++) { foreach ($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)
8.3.60.0101.99216.50
8.3.50.0201.98321.88
8.3.40.0032.00118.42
8.3.30.0201.98319.23
8.3.20.0071.99620.16
8.3.10.0032.00023.66
8.3.00.0101.99119.38
8.2.180.0131.98916.38
8.2.170.0101.99322.96
8.2.160.0101.99320.30
8.2.150.0002.00224.18
8.2.140.0031.99724.66
8.2.130.0101.99226.16
8.2.120.0031.99822.12
8.2.110.0002.00221.96
8.2.100.0071.99517.72
8.2.90.0031.99819.22
8.2.80.0002.00317.97
8.2.70.0002.00217.63
8.2.60.0002.00417.93
8.2.50.0002.01118.07
8.2.40.0032.00119.80
8.2.30.0071.99618.11
8.2.20.0002.00117.90
8.2.10.0031.99918.27
8.2.00.0071.99617.93
8.1.280.0131.98825.92
8.1.270.0031.99824.02
8.1.260.0032.00326.35
8.1.250.0031.99828.09
8.1.240.0071.99423.90
8.1.230.0131.98919.10
8.1.220.0002.00117.74
8.1.210.0002.00218.77
8.1.200.0031.99717.35
8.1.190.0002.00317.52
8.1.180.0072.01018.10
8.1.170.0071.99618.62
8.1.160.0031.99822.04
8.1.150.0002.00618.63
8.1.140.0071.99617.53
8.1.130.0001.99817.82
8.1.120.0071.99717.58
8.1.110.0031.99617.50
8.1.100.0101.99217.51
8.1.90.0031.99817.52
8.1.80.0002.00217.50
8.1.70.0002.00217.39
8.1.60.0031.99817.70
8.1.50.0032.00017.61
8.1.40.0131.99017.59
8.1.30.0071.99617.61
8.1.20.0031.99817.72
8.1.10.0031.99817.64
8.1.00.0002.00317.55
8.0.300.0032.00020.55
8.0.290.0002.00216.93
8.0.280.0071.99618.45
8.0.270.0002.00317.08
8.0.260.0071.99617.16
8.0.250.0032.00016.88
8.0.240.0031.99816.71
8.0.230.0002.00316.89
8.0.220.0031.99916.77
8.0.210.0002.00416.75
8.0.200.0031.99916.91
8.0.190.0031.99816.87
8.0.180.0031.99416.75
8.0.170.0031.99916.77
8.0.160.0002.00416.92
8.0.150.0002.00116.77
8.0.140.0071.99516.76
8.0.130.0101.99713.42
8.0.120.0002.00316.71
8.0.110.0032.00016.68
8.0.100.0032.00016.84
8.0.90.0032.00016.83
8.0.80.0101.98816.80
8.0.70.0002.00416.61
8.0.60.0031.99916.64
8.0.50.0071.99616.71
8.0.30.0081.99717.04
8.0.20.0181.98017.40
8.0.10.0002.00216.76
8.0.00.0131.98716.64
7.4.330.0002.00115.00
7.4.320.0002.00316.48
7.4.300.0031.99816.49
7.4.290.0031.99916.34
7.4.280.0032.00016.29
7.4.270.0071.99516.34
7.4.260.0002.00216.48
7.4.250.0002.00016.32
7.4.240.0071.99716.48
7.4.230.0032.00416.59
7.4.220.0191.97916.48
7.4.210.0101.99216.51
7.4.200.0031.99816.53
7.4.190.0031.99916.54
7.4.160.0371.96616.27
7.4.150.0431.95017.40
7.4.140.0151.99217.86
7.4.130.0161.99016.37
7.4.120.0161.98616.46
7.4.110.0062.42116.31
7.4.100.0032.46016.61
7.4.90.0062.42816.38
7.4.80.0311.95619.39
7.4.70.0142.24016.39
7.4.60.0102.46816.52
7.4.50.0002.49816.35
7.4.40.0132.48522.77
7.4.30.0032.45616.43
7.4.00.0102.48814.88
7.3.330.0201.97913.24
7.3.320.0131.98313.37
7.3.310.0031.99816.18
7.3.300.0031.99916.30
7.3.290.0231.96616.25
7.3.280.0151.97216.25
7.3.270.0101.99217.40
7.3.260.0061.99516.31
7.3.250.0031.99316.25
7.3.240.0102.00116.48
7.3.230.0132.43716.44
7.3.210.0132.43816.21
7.3.200.0102.45319.39
7.3.190.0162.41516.39
7.3.180.0102.46516.30
7.3.170.0132.44716.43
7.3.160.0072.45216.18
7.3.120.0032.48914.77
7.2.330.0232.46016.37
7.2.320.0102.41316.69
7.2.310.0132.45116.75
7.2.300.0132.40516.40
7.2.290.0132.45916.36
7.2.00.0002.50119.37
7.1.100.0002.50118.11
7.1.70.0032.49816.80
7.1.60.0172.48519.46
7.1.50.0172.48634.70
7.1.00.0072.49322.39
7.0.200.0232.47614.70
7.0.140.0032.49722.04
7.0.60.0032.49720.05
7.0.50.0172.48317.77
7.0.40.0102.47719.85
7.0.30.0302.47019.72
7.0.20.0202.48019.72
7.0.10.0072.49319.91
7.0.00.0072.49319.81
5.6.280.0102.49020.92
5.6.210.0032.49720.55
5.6.200.0032.49718.15
5.6.190.0202.48020.40
5.6.180.0102.49020.36
5.6.170.0202.48020.36
5.6.160.0202.48020.32
5.6.150.0202.48018.14
5.6.140.0072.49318.18
5.6.130.0072.49317.99
5.6.120.0072.49321.05
5.6.110.0102.49021.01
5.6.100.0102.49021.02
5.6.90.0102.49020.99
5.6.80.0102.49020.40
5.5.350.0072.42720.49
5.5.340.0202.41320.87
5.5.330.0232.39320.87
5.5.320.0172.40020.90
5.5.310.0272.40720.96
5.5.300.0272.38020.89
5.5.290.0272.38320.98
5.5.280.0132.42020.96
5.5.270.0032.40720.89
5.5.260.0102.44320.98
5.5.250.0172.43720.61
5.5.240.0202.43320.20
5.4.450.0202.39019.39
5.4.440.0102.40319.36
5.4.430.0332.41719.18
5.4.420.0172.40719.43
5.4.410.0032.43719.11
5.4.400.0232.40719.08
5.4.390.0132.41718.96
5.4.380.0102.40318.86
5.4.370.0432.39319.11
5.4.360.0132.40019.07
5.4.350.0032.47019.24
5.4.340.0272.42019.04
5.4.320.0372.40719.05
5.4.310.0232.40718.85
5.4.300.0272.39719.22
5.4.290.0032.47319.04
5.4.280.0232.43019.02
5.4.270.0272.42318.96
5.4.260.0102.45018.86
5.4.250.0002.43319.21
5.4.240.0302.37319.18
5.4.230.0072.41718.86
5.4.220.0302.40319.10
5.4.210.0032.48718.85
5.4.200.0302.40319.02
5.4.190.0132.42319.18
5.4.180.0132.46319.02
5.4.170.0132.45719.05
5.4.160.0172.45019.01
5.4.150.0172.41319.01
5.4.140.0172.46716.37
5.4.130.0132.44016.25
5.4.120.0232.42716.52
5.4.110.0132.44316.55
5.4.100.0202.40016.55
5.4.90.0072.46716.34
5.4.80.0172.44716.32
5.4.70.0302.42316.53
5.4.60.0132.41316.49
5.4.50.0132.44716.44
5.4.40.0202.40316.38
5.4.30.0102.45716.38
5.4.20.0102.39316.35
5.4.10.0172.34316.49
5.4.00.0132.43315.75
5.3.290.0172.45014.52
5.3.280.0102.45714.43
5.3.270.0202.39014.50
5.3.260.0202.41714.46
5.3.250.0202.41314.48
5.3.240.0132.41014.46
5.3.230.0202.39314.42
5.3.220.0202.42014.43
5.3.210.0302.43014.40
5.3.200.0102.47014.44
5.3.190.0202.41714.39
5.3.180.0272.43714.27
5.3.170.0172.44014.54
5.3.160.0172.44014.28
5.3.150.0202.40314.38
5.3.140.0032.49014.43
5.3.130.0132.42014.34
5.3.120.0272.43714.41
5.3.110.0172.41314.38
5.3.100.0172.39313.91
5.3.90.0132.39013.85
5.3.80.0202.42713.91
5.3.70.0032.45013.81
5.3.60.0172.38713.79
5.3.50.0132.42313.75
5.3.40.0032.49013.73
5.3.30.0172.08013.71
5.3.20.0102.01713.49
5.3.10.0072.43713.46
5.3.00.0172.42013.57
5.2.170.0072.45710.93
5.2.160.0232.41310.91
5.2.150.0232.13010.92
5.2.140.0101.89310.91
5.2.130.0101.91710.85
5.2.120.0132.21311.01
5.2.110.0132.41010.93
5.2.100.0072.44311.01
5.2.90.0132.42710.87
5.2.80.0202.44710.88
5.2.70.0072.43311.00
5.2.60.0102.40710.85
5.2.50.0272.37010.79
5.2.40.0002.46010.74
5.2.30.0132.43710.76
5.2.20.0172.41710.81
5.2.10.0202.40310.63
5.2.00.0172.42310.48
5.1.60.0332.3509.84
5.1.50.0202.3909.84
5.1.40.0072.4309.76
5.1.30.0132.42010.08
5.1.20.0202.43710.18
5.1.10.0072.4639.90
5.1.00.0032.4609.76
5.0.50.0072.4208.34
5.0.40.0272.4138.31
5.0.30.0032.4638.04
5.0.20.0172.3908.06
5.0.10.0272.4307.96
5.0.00.0102.4408.00
4.4.90.0102.4436.62
4.4.80.0072.4106.62
4.4.70.0102.4376.62
4.4.60.0132.4406.62
4.4.50.0032.4736.62
4.4.40.0202.3736.62
4.4.30.0202.4376.62
4.4.20.0102.4376.62
4.4.10.0202.4106.62
4.4.00.0172.4236.62
4.3.110.0132.4236.62
4.3.100.0032.4106.62
4.3.90.0132.3706.62
4.3.80.0032.4436.62
4.3.70.0202.4236.62
4.3.60.0232.4306.62
4.3.50.0072.4376.62
4.3.40.0032.4236.62
4.3.30.0072.4106.62
4.3.20.0002.4736.62
4.3.10.0172.4306.62
4.3.00.0302.3036.62

preferences:
41.13 ms | 401 KiB | 5 Q