3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1, 2, 3]; // Ссылка $value на значение массива $array не удаляется после выхода из тела цикла и указывает на последний элемент массива. $array[2] также указывает на последний элемент. foreach ($array as &$value) { } // Каждый проход цикла устанавливается новое значение $value, к-рый указывает на последний элемент. foreach ($array as $key => $value) { echo '$value = ' . $value . "\n"; }

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)
8.3.70.0190.00316.50
8.3.60.0130.00316.63
8.3.50.0100.00716.65
8.3.40.0130.00318.47
8.3.30.0100.00318.51
8.3.20.0050.00318.64
8.3.10.0050.00318.57
8.3.00.0030.00519.38
8.2.180.0090.00616.50
8.2.170.0090.00922.96
8.2.160.0030.01219.02
8.2.150.0000.00924.18
8.2.140.0110.00724.66
8.2.130.0040.00426.16
8.2.120.0080.00020.68
8.2.110.0040.00420.11
8.2.100.0080.00317.91
8.2.90.0040.00417.75
8.2.80.0030.00618.83
8.2.70.0030.00617.50
8.2.60.0000.00817.63
8.2.50.0080.00018.04
8.2.40.0030.00519.94
8.2.30.0040.00417.60
8.2.20.0000.00919.45
8.2.10.0040.00417.78
8.2.00.0050.00317.79
8.1.280.0130.00725.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0000.01123.92
8.1.230.0080.00421.08
8.1.220.0030.00518.69
8.1.210.0000.00818.77
8.1.200.0000.00817.38
8.1.190.0080.00017.35
8.1.180.0090.00018.10
8.1.170.0030.00617.62
8.1.160.0040.00419.07
8.1.150.0040.00418.63
8.1.140.0040.00417.42
8.1.130.0030.00317.86
8.1.120.0020.00517.50
8.1.110.0040.00417.41
8.1.100.0020.00517.30
8.1.90.0000.00717.51
8.1.80.0050.00217.49
8.1.70.0070.00017.37
8.1.60.0080.00317.44
8.1.50.0000.00717.50
8.1.40.0040.00417.47
8.1.30.0040.00417.59
8.1.20.0000.00717.66
8.1.10.0040.00417.45
8.1.00.0000.00717.45
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0070.00018.55
8.0.270.0070.00017.23
8.0.260.0070.00016.82
8.0.250.0000.00716.91
8.0.240.0000.00716.86
8.0.230.0000.00816.96
8.0.220.0000.00716.79
8.0.210.0030.00316.79
8.0.200.0030.00316.91
8.0.190.0000.00816.88
8.0.180.0070.00016.80
8.0.170.0030.00616.80
8.0.160.0080.00016.88
8.0.150.0040.00416.80
8.0.140.0000.01016.87
8.0.130.0000.00613.30
8.0.120.0030.00616.86
8.0.110.0040.00416.84
8.0.100.0040.00416.82
8.0.90.0040.00416.83
8.0.80.0030.01216.87
8.0.70.0070.00016.70
8.0.60.0030.00516.93
8.0.50.0000.00816.71
8.0.30.0060.01516.82
8.0.20.0090.01417.21
8.0.10.0000.00716.95
8.0.00.0110.00716.64
7.4.330.0000.00513.10
7.4.320.0000.00616.40
7.4.300.0030.00316.41
7.4.290.0040.00416.45
7.4.280.0000.00816.54
7.4.270.0000.00716.61
7.4.260.0030.00313.22
7.4.250.0000.00816.37
7.4.240.0030.00316.60
7.4.230.0000.00716.58
7.4.220.0130.01316.55
7.4.210.0070.01316.63
7.4.200.0040.00416.50
7.4.190.0000.00716.45
7.4.160.0100.00616.59
7.4.150.0090.00916.32
7.4.140.0070.01016.43
7.4.130.0090.00916.49
7.4.120.0110.00616.59
7.4.110.0070.01016.73
7.4.100.0070.01416.36
7.4.90.0060.01316.61
7.4.80.0030.01319.39
7.4.70.0080.01116.40
7.4.60.0060.01016.34
7.4.50.0060.00616.19
7.4.40.0000.01416.33
7.4.30.0030.01216.57
7.4.00.0100.00714.57
7.3.330.0030.00313.19
7.3.320.0070.00013.13
7.3.310.0030.00616.21
7.3.300.0000.00616.16
7.3.290.0040.01016.31
7.3.280.0080.00916.24
7.3.270.0070.01016.20
7.3.260.0060.01616.77
7.3.250.0110.00916.31
7.3.240.0000.01716.26
7.3.230.0030.01716.20
7.3.210.0110.01016.51
7.3.200.0060.01716.20
7.3.190.0060.01016.22
7.3.180.0140.00416.33
7.3.170.0130.00216.49
7.3.160.0060.01316.46
7.3.120.0000.01414.98
7.2.330.0070.01016.82
7.2.320.0070.01016.66
7.2.310.0160.00316.38
7.2.300.0100.01416.57
7.2.290.0070.01016.85
7.2.80.0060.00316.67
7.2.60.0000.01616.76
7.2.00.0070.01119.08
7.1.200.0000.01315.90
7.1.100.0000.00818.14
7.1.70.0040.00717.15
7.1.60.0040.01219.30
7.1.50.0040.01216.90
7.1.00.0030.03322.53
7.0.200.0100.00316.40
7.0.140.0030.07321.98
7.0.120.0100.06722.09
7.0.60.0070.04720.03
7.0.50.0100.08017.75
7.0.40.0070.05717.79
7.0.30.0000.04317.73
7.0.20.0030.04717.66
7.0.10.0100.07017.73
7.0.00.0230.06317.80
5.6.280.0100.06720.80
5.6.210.0100.08320.50
5.6.200.0100.08318.12
5.6.190.0100.03718.09
5.6.180.0070.05318.22
5.6.170.0030.04318.22
5.6.160.0070.08018.12
5.6.150.0100.06018.15
5.6.140.0070.07718.07
5.6.130.0000.04718.15
5.6.120.0030.04718.17
5.6.110.0130.07718.10
5.6.100.0070.07318.17
5.6.90.0100.07718.10
5.6.80.0070.07017.59
5.6.70.0100.07017.48
5.6.60.0070.04717.56
5.6.50.0030.06317.56
5.6.40.0030.06317.46
5.6.30.0100.07717.53
5.6.20.0070.07317.50
5.6.10.0030.05017.56
5.6.00.0170.06717.47
5.5.350.0300.07720.40
5.5.340.0100.08017.88
5.5.330.0170.06318.00
5.5.320.0000.05317.98
5.5.310.0070.06718.02
5.5.300.0030.08717.95
5.5.290.0100.07317.91
5.5.280.0100.03717.96
5.5.270.0070.08017.87
5.5.260.0000.06017.91
5.5.250.0130.07317.82
5.5.240.0030.06017.29
5.5.230.0070.07717.28
5.5.220.0000.08717.32
5.5.210.0100.07717.29
5.5.200.0070.06717.30
5.5.190.0070.04717.26
5.5.180.0100.03317.30
5.5.160.0070.08017.36
5.5.150.0070.07317.22
5.5.140.0100.05717.25
5.5.130.0100.07317.32
5.5.120.0070.07317.23
5.5.110.0130.07017.26
5.5.100.0070.08017.17
5.5.90.0070.08317.16
5.5.80.0100.05717.23
5.5.70.0100.07717.25
5.5.60.0130.05317.21
5.5.50.0100.03317.21
5.5.40.0030.05017.16
5.5.30.0100.06017.11
5.5.20.0130.07017.20
5.5.10.0100.03717.19
5.5.00.0100.07717.22
5.4.450.0070.08719.31
5.4.440.0100.07719.32
5.4.430.0030.08019.35
5.4.420.0030.08719.33
5.4.410.0100.07019.16
5.4.400.0070.06718.99
5.4.390.0000.07719.12
5.4.380.0030.07018.95
5.4.370.0130.06718.98
5.4.360.0100.07018.82
5.4.350.0030.06718.89
5.4.340.0030.04018.89
5.4.320.0130.07318.95
5.4.310.0100.06018.95
5.4.300.0030.03719.03
5.4.290.0030.08319.20
5.4.280.0130.07018.98
5.4.270.0070.08318.95
5.4.260.0070.06319.03
5.4.250.0070.07318.81
5.4.240.0070.06719.10
5.4.230.0070.05719.07
5.4.220.0100.06319.00
5.4.210.0000.04318.88
5.4.200.0070.07719.12
5.4.190.0030.08019.02
5.4.180.0130.06019.08
5.4.170.0030.06018.81
5.4.160.0100.05019.18
5.4.150.0030.06318.96
5.4.140.0100.04316.31
5.4.130.0070.07716.17
5.4.120.0100.07016.27
5.4.110.0030.04316.27
5.4.100.0100.06316.32
5.4.90.0030.07016.25
5.4.80.0000.08016.15
5.4.70.0030.06016.16
5.4.60.0070.07016.14
5.4.50.0000.07716.25
5.4.40.0170.05716.28
5.4.30.0030.07316.19
5.4.20.0000.07016.41
5.4.10.0000.06016.39
5.4.00.0030.07715.70
5.3.290.0100.07314.63
5.3.280.0170.06314.59
5.3.270.0070.07314.43
5.3.260.0030.04014.58
5.3.250.0100.03714.55
5.3.240.0100.07314.45
5.3.230.0100.03714.54
5.3.220.0100.04714.39
5.3.210.0100.03314.48
5.3.200.0100.07314.39
5.3.190.0000.05014.39
5.3.180.0130.06314.53
5.3.170.0100.06014.55
5.3.160.0070.06014.50
5.3.150.0070.08014.38
5.3.140.0130.04014.49
5.3.130.0070.08314.32
5.3.120.0130.06314.46
5.3.110.0030.07714.51
5.3.100.0070.05713.96
5.3.90.0070.07713.97
5.3.80.0070.06713.79
5.3.70.0070.07714.00
5.3.60.0030.07713.96
5.3.50.0000.07713.92
5.3.40.0070.05013.88
5.3.30.0030.06313.68
5.3.20.0100.03713.66
5.3.10.0170.05313.42
5.3.00.0070.05713.71
5.2.170.0070.03311.04
5.2.160.0030.06710.97
5.2.150.0000.06711.15
5.2.140.0070.02710.92
5.2.130.0070.04311.08
5.2.120.0030.05311.07
5.2.110.0130.05010.93
5.2.100.0130.05711.05
5.2.90.0100.05710.88
5.2.80.0000.04311.08
5.2.70.0030.06311.06
5.2.60.0000.07011.00
5.2.50.0030.05010.97
5.2.40.0100.05010.93
5.2.30.0130.03010.94
5.2.20.0070.03710.91
5.2.10.0130.04310.75
5.2.00.0000.06310.70
5.1.60.0030.02310.03
5.1.50.0100.0409.98
5.1.40.0030.0339.94
5.1.30.0070.05310.25
5.1.20.0030.05010.35
5.1.10.0130.02310.10
5.1.00.0000.05710.11
5.0.50.0030.0478.57
5.0.40.0030.0408.46
5.0.30.0000.0408.18
5.0.20.0000.0438.18
5.0.10.0030.0278.10
5.0.00.0030.0308.20
4.4.90.0070.0178.00
4.4.80.0030.0238.00
4.4.70.0000.0278.00
4.4.60.0030.0338.00
4.4.50.0000.0308.00
4.4.40.0030.0438.00
4.4.30.0000.0278.00
4.4.20.0030.0378.00
4.4.10.0000.0378.00
4.4.00.0030.0578.00
4.3.110.0000.0238.00
4.3.100.0000.0308.00
4.3.90.0000.0308.00
4.3.80.0000.0378.00
4.3.70.0000.0208.00
4.3.60.0000.0178.00
4.3.50.0000.0178.00
4.3.40.0000.0308.00
4.3.30.0030.0138.00
4.3.20.0000.0178.00
4.3.10.0000.0178.00
4.3.00.0000.0138.00

preferences:
42.33 ms | 401 KiB | 5 Q