3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1, 2, 3, 4, 5]; // 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 = ' . $value . ";\n"; echo '$array = [' . implode($array) . ";\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)
8.3.70.0110.00718.56
8.3.60.0120.00416.50
8.3.50.0110.00417.32
8.3.40.0180.00418.45
8.3.30.0080.00818.71
8.3.20.0040.00418.38
8.3.10.0050.00318.69
8.3.00.0060.00319.13
8.2.180.0110.00316.75
8.2.170.0070.00722.96
8.2.160.0110.00818.83
8.2.150.0150.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00720.80
8.2.110.0050.00522.25
8.2.100.0080.00417.60
8.2.90.0030.00617.63
8.2.80.0050.00317.97
8.2.70.0000.00817.80
8.2.60.0030.00618.09
8.2.50.0030.00618.10
8.2.40.0000.00919.28
8.2.30.0000.00719.25
8.2.20.0040.00417.61
8.2.10.0000.00817.84
8.2.00.0040.00417.68
8.1.280.0150.00325.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.48
8.1.230.0100.00317.46
8.1.220.0000.00917.77
8.1.210.0030.00518.77
8.1.200.0030.00617.36
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0030.00618.49
8.1.160.0030.00618.89
8.1.150.0070.00318.82
8.1.140.0020.00517.49
8.1.130.0040.00417.81
8.1.120.0030.00517.38
8.1.110.0040.00417.34
8.1.100.0030.00317.41
8.1.90.0070.00017.36
8.1.80.0000.00717.55
8.1.70.0040.00417.32
8.1.60.0040.00417.58
8.1.50.0000.00717.41
8.1.40.0050.00217.42
8.1.30.0030.00617.68
8.1.20.0040.00417.62
8.1.10.0080.00017.57
8.1.00.0000.00717.46
8.0.300.0060.00318.77
8.0.290.0050.00216.58
8.0.280.0030.00318.47
8.0.270.0030.00517.22
8.0.260.0060.00316.80
8.0.250.0020.00516.83
8.0.240.0040.00417.02
8.0.230.0000.00716.88
8.0.220.0000.00716.90
8.0.210.0020.00516.89
8.0.200.0080.00016.95
8.0.190.0050.00316.91
8.0.180.0060.00316.80
8.0.170.0080.00016.74
8.0.160.0030.00516.78
8.0.150.0000.00916.81
8.0.140.0040.00416.84
8.0.130.0050.00013.38
8.0.120.0090.00016.71
8.0.110.0050.00216.74
8.0.100.0050.00316.75
8.0.90.0030.00316.87
8.0.80.0120.00316.77
8.0.70.0030.00416.93
8.0.60.0000.00816.87
8.0.50.0070.00016.82
8.0.30.0130.00716.82
8.0.20.0130.00917.00
8.0.10.0040.00417.01
8.0.00.0100.01016.78
7.4.330.0000.00513.10
7.4.320.0000.00616.51
7.4.300.0060.00016.41
7.4.290.0040.00416.43
7.4.280.0050.00216.50
7.4.270.0000.00716.53
7.4.260.0030.00313.27
7.4.250.0040.00416.41
7.4.240.0070.00016.41
7.4.230.0070.00016.63
7.4.220.0120.00616.56
7.4.210.0060.00916.60
7.4.200.0070.00016.34
7.4.190.0030.00516.50
7.4.160.0090.00616.75
7.4.150.0110.00916.59
7.4.140.0100.00716.50
7.4.130.0140.00616.47
7.4.120.0100.00716.38
7.4.110.0100.01316.48
7.4.100.0090.00916.36
7.4.90.0130.01016.36
7.4.80.0060.00919.39
7.4.70.0080.00816.63
7.4.60.0090.00616.34
7.4.50.0000.00516.35
7.4.40.0090.00316.47
7.4.30.0090.00616.61
7.4.00.0090.00914.70
7.3.330.0060.00013.02
7.3.320.0000.00713.07
7.3.310.0030.00316.30
7.3.300.0000.00716.27
7.3.290.0090.00616.23
7.3.280.0070.00816.26
7.3.270.0110.00616.49
7.3.260.0060.01216.64
7.3.250.0130.01016.48
7.3.240.0110.00616.41
7.3.230.0100.00716.57
7.3.210.0140.00316.33
7.3.200.0090.00616.30
7.3.190.0100.00716.64
7.3.180.0130.00616.50
7.3.170.0100.00616.32
7.3.160.0090.01416.64
7.3.120.0070.01014.98
7.2.330.0120.00616.56
7.2.320.0070.01016.38
7.2.310.0140.01116.66
7.2.300.0100.00716.75
7.2.290.0130.01316.58
7.2.00.0030.01019.51
7.1.200.0060.00615.89
7.1.100.0070.00318.20
7.1.70.0040.00417.23
7.1.60.0150.00919.30
7.1.50.0130.00716.69
7.1.00.0070.03022.28
7.0.200.0060.00616.78
7.0.140.0100.06722.06
7.0.120.0030.07022.01
7.0.60.0100.08319.91
7.0.50.0100.08017.77
7.0.40.0030.06717.89
7.0.30.0030.05317.76
7.0.20.0100.07317.67
7.0.10.0070.07717.67
7.0.00.0070.09017.76
5.6.280.0000.07720.98
5.6.210.0030.08320.77
5.6.200.0100.07718.08
5.6.190.0000.05718.21
5.6.180.0130.07718.16
5.6.170.0100.06718.21
5.6.160.0000.06018.21
5.6.150.0030.08718.17
5.6.140.0000.06718.17
5.6.130.0100.05318.16
5.6.120.0030.08318.15
5.6.110.0100.04718.08
5.6.100.0100.04318.08
5.6.90.0030.04318.17
5.6.80.0270.03717.50
5.6.70.0130.03317.54
5.6.60.0070.03717.55
5.6.50.0070.04717.50
5.6.40.0030.05017.58
5.6.30.0100.03717.53
5.6.20.0100.07317.47
5.6.10.0130.07317.48
5.6.00.0030.07317.49
5.5.350.0400.06720.34
5.5.340.0070.05317.98
5.5.330.0070.04018.02
5.5.320.0070.04717.88
5.5.310.0100.08017.88
5.5.300.0200.07018.02
5.5.290.0070.06318.00
5.5.280.0100.07718.02
5.5.270.0170.07017.95
5.5.260.0130.07317.90
5.5.250.0100.03717.79
5.5.240.0070.04017.37
5.5.230.0170.06717.26
5.5.220.0070.05017.39
5.5.210.0030.08017.32
5.5.200.0070.04717.32
5.5.190.0070.06317.33
5.5.180.0100.07017.27
5.5.160.0100.07317.27
5.5.150.0100.07317.26
5.5.140.0000.04317.36
5.5.130.0130.06717.25
5.5.120.0100.04017.25
5.5.110.0100.04317.26
5.5.100.0170.05317.14
5.5.90.0070.07017.27
5.5.80.0070.05317.25
5.5.70.0100.06317.14
5.5.60.0070.08017.20
5.5.50.0070.08017.13
5.5.40.0100.07017.22
5.5.30.0170.05017.11
5.5.20.0130.07017.18
5.5.10.0030.05317.15
5.5.00.0100.07717.11
5.4.450.0100.05019.29
5.4.440.0100.08319.40
5.4.430.0100.08019.14
5.4.420.0070.05019.39
5.4.410.0030.04019.29
5.4.400.0100.06718.89
5.4.390.0030.08318.99
5.4.380.0000.05019.11
5.4.370.0030.04719.05
5.4.360.0100.06318.99
5.4.350.0070.03719.03
5.4.340.0170.07019.20
5.4.320.0070.05319.12
5.4.310.0070.07319.00
5.4.300.0130.07318.82
5.4.290.0130.07318.88
5.4.280.0000.08318.98
5.4.270.0070.05018.82
5.4.260.0070.07719.09
5.4.250.0000.05019.02
5.4.240.0070.04719.06
5.4.230.0000.08319.20
5.4.220.0070.04018.97
5.4.210.0070.03319.11
5.4.200.0100.07719.12
5.4.190.0070.05719.06
5.4.180.0130.06018.97
5.4.170.0100.05319.02
5.4.160.0070.07319.01
5.4.150.0170.07018.96
5.4.140.0030.08016.34
5.4.130.0130.04716.25
5.4.120.0100.06016.23
5.4.110.0070.03716.17
5.4.100.0030.06016.29
5.4.90.0030.04716.27
5.4.80.0030.06716.27
5.4.70.0070.04316.27
5.4.60.0030.03716.14
5.4.50.0130.03716.27
5.4.40.0070.04016.36
5.4.30.0070.07716.22
5.4.20.0100.05716.38
5.4.10.0170.05316.20
5.4.00.0030.04315.62
5.3.290.0100.06714.60
5.3.280.0030.05714.56
5.3.270.0000.07014.58
5.3.260.0070.07314.51
5.3.250.0070.07714.43
5.3.240.0070.07314.53
5.3.230.0030.08014.58
5.3.220.0100.06014.43
5.3.210.0100.07014.53
5.3.200.0100.07314.56
5.3.190.0000.07014.51
5.3.180.0030.05014.64
5.3.170.0200.06314.51
5.3.160.0070.07714.47
5.3.150.0070.04714.34
5.3.140.0100.03314.43
5.3.130.0030.07714.50
5.3.120.0070.07714.52
5.3.110.0130.07314.52
5.3.100.0070.07714.02
5.3.90.0070.03713.98
5.3.80.0070.04313.93
5.3.70.0030.05714.00
5.3.60.0030.06013.86
5.3.50.0130.06013.93
5.3.40.0030.08013.91
5.3.30.0030.05313.86
5.3.20.0030.06313.64
5.3.10.0030.06013.41
5.3.00.0130.05713.39
5.2.170.0030.04710.98
5.2.160.0070.06310.98
5.2.150.0030.04711.29
5.2.140.0100.05311.15
5.2.130.0100.05710.94
5.2.120.0070.03711.25
5.2.110.0030.06311.09
5.2.100.0070.04011.08
5.2.90.0070.02711.09
5.2.80.0030.03011.12
5.2.70.0000.03311.05
5.2.60.0030.04010.79
5.2.50.0130.04011.05
5.2.40.0030.04710.83
5.2.30.0070.06010.94
5.2.20.0100.05310.95
5.2.10.0030.05310.84
5.2.00.0030.03310.77
5.1.60.0030.03310.02
5.1.50.0000.0579.93
5.1.40.0130.02310.11
5.1.30.0030.05710.30
5.1.20.0070.05010.36
5.1.10.0030.03710.05
5.1.00.0030.03710.00
5.0.50.0070.0408.68
5.0.40.0030.0378.39
5.0.30.0000.0508.25
5.0.20.0000.0438.23
5.0.10.0070.0438.25
5.0.00.0030.0638.20
4.4.90.0000.0277.72
4.4.80.0030.0337.72
4.4.70.0030.0277.72
4.4.60.0000.0407.72
4.4.50.0000.0207.72
4.4.40.0000.0537.72
4.4.30.0030.0307.72
4.4.20.0030.0137.72
4.4.10.0000.0307.72
4.4.00.0000.0337.72
4.3.110.0030.0337.72
4.3.100.0000.0377.72
4.3.90.0070.0237.72
4.3.80.0000.0277.72
4.3.70.0000.0177.72
4.3.60.0030.0237.72
4.3.50.0000.0237.72
4.3.40.0070.0477.72
4.3.30.0070.0137.72
4.3.20.0000.0337.72
4.3.10.0000.0377.72
4.3.00.0000.0277.72

preferences:
60.12 ms | 401 KiB | 5 Q