3v4l.org

run code in 300+ PHP versions simultaneously
<?php $numbers = range(1, 10); function printNumbers() { global $numbers; foreach ($numbers as $number) { echo $number . ', '; } } //$numbers =& $numbers; //<---- by reference (var.name does not matter) provides alternative behavour foreach ($numbers as $number) { echo $number . ": "; printNumbers(); echo "\n"; } // EXAMPLE 2: $numbers = range(1, 10); foreach ($numbers as $skip) { echo $skip . ','; next($numbers); } echo "\n"; // alternative behavour when using by-reference $numbers2 =& $numbers; foreach ($numbers2 as $skip) { echo $skip . ','; next($numbers2); }

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)
8.3.60.0110.00418.31
8.3.50.0170.00321.97
8.3.40.0000.01518.80
8.3.30.0140.00318.95
8.3.20.0000.00820.21
8.3.10.0080.00023.52
8.3.00.0060.00319.13
8.2.180.0100.00716.37
8.2.170.0110.00322.96
8.2.160.0080.00520.37
8.2.150.0050.00224.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.01
8.2.110.0090.00022.07
8.2.100.0080.00417.75
8.2.90.0000.00819.05
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0060.00618.04
8.2.50.0040.00418.07
8.2.40.0000.00819.88
8.2.30.0040.00418.01
8.2.20.0050.00317.57
8.2.10.0000.00718.07
8.2.00.0020.00517.68
8.1.280.0100.00725.92
8.1.270.0060.00322.14
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0030.00723.80
8.1.230.0070.00417.77
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0060.00318.68
8.1.160.0040.00422.02
8.1.150.0080.00018.86
8.1.140.0040.00417.33
8.1.130.0030.00317.87
8.1.120.0040.00417.45
8.1.110.0050.00317.37
8.1.100.0040.00417.52
8.1.90.0030.00617.46
8.1.80.0040.00417.44
8.1.70.0000.00717.47
8.1.60.0080.00017.57
8.1.50.0040.00417.56
8.1.40.0080.00017.40
8.1.30.0030.00517.63
8.1.20.0000.00717.57
8.1.10.0030.00617.53
8.1.00.0030.00617.44
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0080.00018.50
8.0.270.0070.00017.28
8.0.260.0000.00617.31
8.0.250.0050.00217.01
8.0.240.0040.00416.88
8.0.230.0030.00316.89
8.0.220.0000.00716.91
8.0.210.0060.00016.81
8.0.200.0000.00616.82
8.0.190.0070.00316.85
8.0.180.0040.00416.91
8.0.170.0040.00416.83
8.0.160.0030.00316.87
8.0.150.0040.00416.83
8.0.140.0030.00516.71
8.0.130.0030.00313.37
8.0.120.0030.00516.90
8.0.110.0040.00416.80
8.0.100.0080.00016.73
8.0.90.0070.00016.79
8.0.80.0130.01016.85
8.0.70.0030.00516.77
8.0.60.0040.00716.85
8.0.50.0000.00716.86
8.0.30.0120.01417.23
8.0.20.0050.01517.40
8.0.10.0060.00317.13
8.0.00.0120.00716.90
7.4.330.0000.00515.00
7.4.320.0040.00416.50
7.4.300.0000.00616.66
7.4.290.0000.00716.57
7.4.280.0080.00316.52
7.4.270.0030.00316.62
7.4.260.0000.00816.48
7.4.250.0000.00716.47
7.4.240.0020.00516.54
7.4.230.0000.00716.60
7.4.220.0080.00816.53
7.4.210.0110.00816.71
7.4.200.0000.00716.59
7.4.160.0070.01116.44
7.4.150.0080.01117.40
7.4.140.0140.00817.86
7.4.130.0090.01116.55
7.4.120.0080.01216.51
7.4.110.0090.00916.57
7.4.100.0130.00616.49
7.4.90.0060.01316.79
7.4.80.0090.01419.39
7.4.70.0170.00316.52
7.4.60.0080.00816.52
7.4.50.0000.00516.30
7.4.40.0130.00316.70
7.4.30.0150.00616.58
7.4.00.0090.00615.04
7.3.330.0020.00213.10
7.3.320.0020.00213.37
7.3.310.0030.00316.08
7.3.300.0030.00316.21
7.3.290.0110.00416.30
7.3.280.0070.01016.33
7.3.270.0160.00317.40
7.3.260.0100.01316.46
7.3.250.0090.00916.51
7.3.240.0130.00716.31
7.3.230.0140.00316.42
7.3.210.0110.00616.38
7.3.200.0060.01519.39
7.3.190.0060.01316.31
7.3.180.0030.01316.49
7.3.170.0060.01016.39
7.3.160.0080.00816.33
7.3.10.0070.00716.28
7.3.00.0140.00416.69
7.2.330.0150.00316.88
7.2.320.0070.01116.56
7.2.310.0060.01116.58
7.2.300.0060.01216.68
7.2.290.0150.00916.69
7.2.130.0090.00916.87
7.2.120.0110.01116.56
7.2.110.0110.01116.53
7.2.100.0140.01016.65
7.2.90.0150.00616.88
7.2.80.0170.00716.21
7.2.70.0110.00716.82
7.2.60.0120.01216.50
7.2.50.0150.00416.78
7.2.40.0110.01416.67
7.2.30.0170.01416.90
7.2.20.0120.00616.48
7.2.10.0150.00615.98
7.2.00.0060.01017.98
7.1.250.0110.00815.40
7.1.200.0160.00815.41
7.1.100.0050.00318.11
7.1.70.0030.00516.85
7.1.60.0100.00719.11
7.1.50.0090.00916.95
7.1.00.0070.07322.41
7.0.200.0080.00016.46
7.0.140.0030.07322.01
7.0.110.0630.08020.09
7.0.100.0570.05319.98
7.0.90.0600.08719.90
7.0.80.0530.05319.87
7.0.70.0530.07319.94
7.0.60.0400.07319.93
7.0.50.0600.10019.80
7.0.40.0030.05719.78
7.0.30.0070.05019.71
7.0.20.0130.07319.77
7.0.10.0000.05319.78
7.0.00.0030.07319.71
5.6.280.0070.07021.07
5.6.260.0100.04320.61
5.6.250.0000.08320.68
5.6.240.0130.07320.55
5.6.230.0030.08020.71
5.6.220.0070.05020.67
5.6.210.0200.06020.66
5.6.200.0170.07020.64
5.6.190.0030.07320.59
5.6.180.0100.05720.66
5.6.170.0130.07720.55
5.6.160.0100.07720.63
5.6.150.0030.08320.68
5.6.140.0070.08320.46
5.6.130.0030.04720.52
5.6.120.0100.08020.63
5.6.110.0100.08020.70
5.6.100.0030.05320.54
5.6.90.0100.06320.67
5.6.80.0030.03720.00
5.6.70.0070.06320.01
5.6.60.0030.07320.01
5.6.50.0070.07720.01
5.6.40.0030.04019.95
5.6.30.0000.06320.18
5.6.20.0070.08019.97
5.6.10.0100.03720.04
5.6.00.0030.06319.95
5.5.380.0000.07317.63
5.5.370.0130.07017.55
5.5.360.0130.04017.55
5.5.350.0100.07017.62
5.5.340.0070.04717.83
5.5.330.0030.08318.13
5.5.320.0030.06318.09
5.5.310.0070.07717.91
5.5.300.0030.08018.09
5.5.290.0130.07718.10
5.5.280.0070.05317.83
5.5.270.0000.09318.07
5.5.260.0170.06317.83
5.5.250.0030.08317.94
5.5.240.0030.06717.48
5.5.230.0000.09317.47
5.5.220.0100.06317.20
5.5.210.0130.07017.47
5.5.200.0030.05317.41
5.5.190.0070.08017.19
5.5.180.0070.08017.28
5.5.160.0070.07317.45
5.5.150.0100.07717.25
5.5.140.0070.08717.45
5.5.130.0070.04317.57
5.5.120.0100.03017.26
5.5.110.0070.06317.25
5.5.100.0100.07317.19
5.5.90.0100.06717.30
5.5.80.0070.07017.34
5.5.70.0030.07017.16
5.5.60.0000.08017.16
5.5.50.0100.03717.29
5.5.40.0070.06717.15
5.5.30.0130.05017.16
5.5.20.0070.06317.34
5.5.10.0070.04317.08
5.5.00.0070.04717.29
5.4.450.0130.06719.55
5.4.440.0100.07719.45
5.4.430.0000.08319.41
5.4.420.0100.07719.41
5.4.410.0030.07319.18
5.4.400.0030.04019.15
5.4.390.0000.07719.02
5.4.380.0100.07019.01
5.4.370.0030.06719.02
5.4.360.0070.07319.01
5.4.350.0070.04319.34
5.4.340.0000.08319.14
5.4.320.0070.07319.09
5.4.310.0070.07319.01
5.4.300.0100.07319.31
5.4.290.0030.06719.23
5.4.280.0030.07319.16
5.4.270.0030.03319.09
5.4.260.0070.06718.99
5.4.250.0100.06319.02
5.4.240.0030.08018.94
5.4.230.0100.07318.94
5.4.220.0030.06718.94
5.4.210.0000.05719.31
5.4.200.0100.05019.18
5.4.190.0070.07019.17
5.4.180.0000.04719.00
5.4.170.0100.07019.17
5.4.160.0130.06718.97
5.4.150.0070.07718.97
5.4.140.0070.07016.44
5.4.130.0170.05716.38
5.4.120.0070.05016.54
5.4.110.0070.07716.43
5.4.100.0070.07316.59
5.4.90.0070.06316.55
5.4.80.0130.07016.45
5.4.70.0070.07016.45
5.4.60.0070.07016.31
5.4.50.0000.05716.40
5.4.40.0030.07716.44
5.4.30.0070.04316.43
5.4.20.0030.06016.38
5.4.10.0100.06316.52
5.4.00.0000.05315.96
5.3.290.0130.07014.89
5.3.280.0000.04014.73
5.3.270.0030.07314.47
5.3.260.0070.07314.46
5.3.250.0070.06714.64
5.3.240.0070.06314.46
5.3.230.0030.07714.68
5.3.220.0170.05714.57
5.3.210.0030.06714.79
5.3.200.0100.07314.55
5.3.190.0070.06714.58
5.3.180.0070.06714.64
5.3.170.0100.07014.70
5.3.160.0100.06314.58
5.3.150.0100.06714.65
5.3.140.0030.04714.61
5.3.130.0070.04314.77
5.3.120.0070.07014.69
5.3.110.0070.07314.40
5.3.100.0070.07314.18
5.3.90.0070.06714.11
5.3.80.0070.07714.01
5.3.70.0070.07013.87
5.3.60.0030.07714.01
5.3.50.0000.07714.05
5.3.40.0100.06713.95
5.3.30.0030.06013.90
5.3.20.0070.04013.73
5.3.10.0030.07313.68
5.3.00.0000.08013.63
5.2.170.0070.05712.95
5.2.160.0070.05012.95
5.2.150.0030.03312.95
5.2.140.0000.06712.95
5.2.130.0070.05012.95
5.2.120.0000.05712.95
5.2.110.0100.05312.95
5.2.100.0000.05012.95
5.2.90.0030.04712.95
5.2.80.0130.02312.95
5.2.70.0070.06012.95
5.2.60.0000.06012.95
5.2.50.0030.04712.95
5.2.40.0030.05712.95
5.2.30.0130.05312.95
5.2.20.0030.06012.95
5.2.10.0030.05712.95
5.2.00.0030.06012.95
5.1.60.0000.03712.95
5.1.50.0000.05712.95
5.1.40.0100.04712.95
5.1.30.0000.05312.95
5.1.20.0030.05712.95
5.1.10.0070.05312.95
5.1.00.0070.05712.95
5.0.50.0030.03012.95
5.0.40.0030.04312.95
5.0.30.0000.03012.95
5.0.20.0000.05012.95
5.0.10.0000.02312.95
5.0.00.0030.06012.95
4.4.90.0100.01012.95
4.4.80.0070.03012.95
4.4.70.0030.03312.95
4.4.60.0000.03012.95
4.4.50.0000.03312.95
4.4.40.0000.03012.95
4.4.30.0030.02712.95
4.4.20.0070.01312.95
4.4.10.0030.03312.95
4.4.00.0000.04312.95
4.3.110.0000.02712.95
4.3.100.0030.03312.95
4.3.90.0000.01712.95
4.3.80.0030.02712.95
4.3.70.0000.01712.95
4.3.60.0030.03312.95
4.3.50.0000.03012.95
4.3.40.0000.03012.95
4.3.30.0000.02012.95
4.3.20.0030.03012.95
4.3.10.0000.03712.95
4.3.00.0030.03012.95

preferences:
33.28 ms | 401 KiB | 5 Q