3v4l.org

run code in 300+ PHP versions simultaneously
<?php function modify_in_place($prices) { $prices[0] = 100; } function modify_location($prices) { $prices = [40, 50, 60]; } $prices = [1, 2, 3]; modify_in_place($prices); echo ($prices[0] === 100); //false! pass-by-value $prices = [1, 2, 3]; modify_location($prices); echo ($prices[0] === 40); //false! pass-by-value

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)
8.3.70.0120.00318.30
8.3.60.0070.01116.36
8.3.50.0150.00621.19
8.3.40.0160.00018.91
8.3.30.0140.00018.84
8.3.20.0040.00420.34
8.3.10.0040.00421.77
8.3.00.0050.00319.68
8.2.180.0040.01116.38
8.2.170.0100.00322.96
8.2.160.0100.00320.32
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00017.50
8.2.110.0030.00620.26
8.2.100.0060.00617.75
8.2.90.0040.00419.22
8.2.80.0050.00317.97
8.2.70.0000.00817.50
8.2.60.0000.00818.04
8.2.50.0040.00718.07
8.2.40.0080.00021.25
8.2.30.0040.00419.98
8.2.20.0050.00217.66
8.2.10.0000.00817.96
8.2.00.0040.00418.12
8.1.280.0030.01025.92
8.1.270.0070.00720.26
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.83
8.1.230.0080.00417.48
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0090.00017.13
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0000.00918.46
8.1.160.0000.00821.96
8.1.150.0050.00318.75
8.1.140.0040.00417.38
8.1.130.0070.00017.56
8.1.120.0070.00017.40
8.1.110.0030.00317.41
8.1.100.0000.00817.41
8.1.90.0040.00417.46
8.1.80.0040.00417.30
8.1.70.0000.00717.34
8.1.60.0080.00017.61
8.1.50.0030.00617.43
8.1.40.0070.00017.39
8.1.30.0080.00417.55
8.1.20.0070.00017.59
8.1.10.0000.00817.53
8.1.00.0030.00517.39
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0000.00718.49
8.0.270.0070.00017.25
8.0.260.0030.00317.34
8.0.250.0050.00316.98
8.0.240.0040.00416.89
8.0.230.0070.00016.87
8.0.220.0070.00016.85
8.0.210.0000.00716.81
8.0.200.0040.00416.80
8.0.190.0050.00316.78
8.0.180.0000.00816.75
8.0.170.0080.00016.92
8.0.160.0050.00316.84
8.0.150.0030.00416.75
8.0.140.0000.00816.77
8.0.130.0000.00513.29
8.0.120.0000.00716.71
8.0.110.0030.00516.90
8.0.100.0000.00716.82
8.0.90.0030.00316.73
8.0.80.0070.01116.78
8.0.70.0000.00816.81
8.0.60.0050.00216.78
8.0.50.0040.00416.61
8.0.30.0050.01317.08
8.0.20.0130.01017.40
8.0.10.0040.00416.98
8.0.00.0080.00916.63
7.4.330.0030.00315.08
7.4.320.0060.00016.40
7.4.300.0030.00316.58
7.4.290.0030.00316.41
7.4.280.0000.00716.64
7.4.270.0000.00816.53
7.4.260.0040.00416.48
7.4.250.0040.00416.43
7.4.240.0020.00516.55
7.4.230.0000.00716.35
7.4.220.0090.00916.63
7.4.210.0060.00916.64
7.4.200.0030.00316.36
7.4.160.0100.01316.30
7.4.150.0120.01217.40
7.4.140.0120.00817.86
7.4.130.0110.00616.46
7.4.120.0070.01216.55
7.4.110.0120.00616.49
7.4.100.0130.01016.63
7.4.90.0110.00616.52
7.4.80.0110.00719.39
7.4.70.0140.00316.63
7.4.60.0090.00916.52
7.4.50.0050.00516.41
7.4.40.0130.00316.35
7.4.30.0100.00716.46
7.4.00.0070.01014.68
7.3.330.0030.00313.14
7.3.320.0020.00213.30
7.3.310.0040.00416.38
7.3.300.0000.00616.31
7.3.290.0080.00616.30
7.3.280.0100.00816.35
7.3.270.0130.00317.40
7.3.260.0110.00616.53
7.3.250.0090.00716.27
7.3.240.0090.01316.32
7.3.230.0130.00316.54
7.3.210.0040.01416.45
7.3.200.0040.01516.66
7.3.190.0060.01216.30
7.3.180.0030.01416.30
7.3.170.0000.02016.36
7.3.160.0000.01716.60
7.2.330.0120.00616.94
7.2.320.0090.01016.59
7.2.310.0040.01616.81
7.2.300.0100.00716.46
7.2.290.0120.01216.63
7.2.60.0030.01316.64
7.2.00.0030.00619.43
7.1.200.0030.01015.52
7.1.100.0270.00818.01
7.1.70.0050.00316.86
7.1.60.0110.00820.03
7.1.50.0040.00716.63
7.1.00.0070.07322.28
7.0.200.0170.00015.00
7.0.60.0030.06719.90
7.0.50.0100.07717.83
7.0.40.0170.04320.40
7.0.30.0270.07720.24
7.0.20.0300.08720.25
7.0.10.0130.08020.23
7.0.00.0130.08020.14
5.6.280.0030.07321.00
5.6.210.0070.07320.76
5.6.200.0030.05018.24
5.6.190.0030.06720.67
5.6.180.0000.05020.61
5.6.170.0300.07320.54
5.6.160.0070.08720.55
5.6.150.0070.08318.20
5.6.140.0070.08018.18
5.6.130.0000.04318.25
5.6.120.0070.05321.00
5.6.110.0100.05720.99
5.6.100.0070.08320.97
5.6.90.0000.05721.13
5.6.80.0170.05020.54
5.6.70.4300.04020.41
5.5.350.0100.07320.45
5.5.340.0070.04718.07
5.5.330.0100.03320.35
5.5.320.0330.08320.24
5.5.310.0170.06020.32
5.5.300.0000.05018.03
5.5.290.0100.03318.07
5.5.280.0100.08020.97
5.5.270.0130.08020.87
5.5.260.0100.03720.62
5.5.250.0070.06320.64
5.5.240.0100.07720.04
5.4.450.0200.05019.46
5.4.440.0230.05019.47
5.4.430.0100.05719.63
5.4.420.0100.05719.46
5.4.410.0130.05319.18
5.4.400.0200.04719.23
5.4.390.0200.05019.35
5.4.380.0170.05019.13
5.4.370.0100.05319.17
5.4.360.0070.06019.01
5.4.350.0200.05019.28
5.4.340.0200.04719.26
5.4.320.0170.05019.00
5.4.310.0130.05019.17
5.4.300.0200.06319.22
5.4.290.0230.05718.96
5.4.280.0170.05018.80
5.4.270.0200.04318.98
5.4.260.0170.05018.98
5.4.250.0070.06019.24
5.4.240.0200.04719.25
5.4.230.0130.05019.16
5.4.220.0130.05319.05
5.4.210.0200.04718.97
5.4.200.0100.05319.27
5.4.190.0230.04019.27
5.4.180.0230.04318.95
5.4.170.0170.05018.82
5.4.160.0200.04319.04
5.4.150.0100.05718.99
5.4.140.0130.05016.57
5.4.130.0170.04316.48
5.4.120.0130.04716.56
5.4.110.0070.05716.67
5.4.100.0130.04716.57
5.4.90.0170.04316.65
5.4.80.0100.05016.49
5.4.70.0000.07716.28
5.4.60.0300.04716.17
5.4.50.0000.07716.37
5.4.40.0200.05716.53
5.4.30.0130.03716.53
5.4.20.0300.07016.43

preferences:
58.76 ms | 401 KiB | 5 Q