3v4l.org

run code in 300+ PHP versions simultaneously
<?php function &gen_reference() { $data = [77,78,79]; foreach($data as $value ) { yield $value; } } $it = gen_reference(); foreach ($it as &$number) { echo $number *= -1,"\n"; } // Must unset $number ... foreach($it as $number){ echo $number; }

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)
8.3.70.0070.01116.58
8.3.60.0170.00316.63
8.3.50.0080.00822.06
8.3.40.0150.00018.79
8.3.30.0060.01219.09
8.3.20.0040.00420.07
8.3.10.0080.00023.45
8.3.00.0040.00419.07
8.2.180.0110.01116.50
8.2.170.0120.00622.96
8.2.160.0000.01420.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.89
8.2.110.0030.00619.39
8.2.100.0040.00717.91
8.2.90.0040.00419.21
8.2.80.0030.00617.97
8.2.70.0040.00417.88
8.2.60.0050.00318.16
8.2.50.0060.00318.07
8.2.40.0050.00318.34
8.2.30.0080.00018.30
8.2.20.0040.00417.91
8.2.10.0000.00818.02
8.2.00.0040.00417.84
8.1.280.0070.01425.92
8.1.270.0030.00623.96
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0070.00321.05
8.1.230.0070.00417.52
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0030.00517.35
8.1.180.0080.00018.10
8.1.170.0040.00418.61
8.1.160.0030.00321.99
8.1.150.0060.00318.57
8.1.140.0040.00417.40
8.1.130.0030.00717.86
8.1.120.0020.00517.45
8.1.110.0080.00017.48
8.1.100.0040.00417.35
8.1.90.0000.00717.48
8.1.80.0070.00017.52
8.1.70.0020.00517.45
8.1.60.0060.00317.52
8.1.50.0000.00817.41
8.1.40.0080.00017.55
8.1.30.0080.00017.47
8.1.20.0030.00517.63
8.1.10.0030.00517.58
8.1.00.0030.00517.41
8.0.300.0000.00718.77
8.0.290.0030.00516.88
8.0.280.0000.00718.31
8.0.270.0050.00216.83
8.0.260.0030.00317.17
8.0.250.0070.00017.03
8.0.240.0000.00816.94
8.0.230.0030.00316.99
8.0.220.0000.00816.85
8.0.210.0000.00716.83
8.0.200.0000.00617.02
8.0.190.0030.00317.06
8.0.180.0050.00316.79
8.0.170.0040.00417.02
8.0.160.0040.00416.99
8.0.150.0000.00716.85
8.0.140.0030.00616.86
8.0.130.0030.00313.37
8.0.120.0030.00516.85
8.0.110.0000.00716.79
8.0.100.0020.00516.91
8.0.90.0080.00016.81
8.0.80.0100.00616.91
8.0.70.0000.00716.75
8.0.60.0070.00016.91
8.0.50.0040.00417.01
8.0.30.0100.01017.16
8.0.20.0150.00617.40
8.0.10.0000.00716.97
8.0.00.0100.00716.76
7.4.330.0000.00615.00
7.4.320.0030.00316.59
7.4.300.0060.00316.59
7.4.290.0030.00316.48
7.4.280.0030.00916.57
7.4.270.0000.00716.55
7.4.260.0030.00316.58
7.4.250.0040.00416.37
7.4.240.0040.00416.57
7.4.230.0050.00216.62
7.4.220.0140.00416.45
7.4.210.0090.00616.59
7.4.200.0000.00716.34
7.4.160.0120.01516.76
7.4.150.0030.01417.40
7.4.140.0070.01117.86
7.4.130.0180.01416.46
7.4.120.0090.00716.70
7.4.110.0030.01316.50
7.4.100.0070.01016.39
7.4.90.0120.00616.45
7.4.80.0100.01019.39
7.4.70.0100.00716.59
7.4.60.0120.01216.52
7.4.50.0000.00416.59
7.4.40.0070.01116.53
7.4.30.0090.00916.43
7.4.00.0130.00314.66
7.3.330.0030.00313.28
7.3.320.0050.00013.21
7.3.310.0040.00416.30
7.3.300.0030.00316.43
7.3.290.0060.00816.38
7.3.280.0070.01016.36
7.3.270.0130.01217.40
7.3.260.0060.01216.39
7.3.250.0120.00716.60
7.3.240.0060.01116.39
7.3.230.0120.00616.52
7.3.210.0150.00316.49
7.3.200.0060.01119.39
7.3.190.0100.01016.57
7.3.180.0100.00616.49
7.3.170.0100.01016.64
7.3.160.0110.00616.64
7.3.120.0060.00914.89
7.2.330.0100.01016.84
7.2.320.0120.00816.64
7.2.310.0090.00816.74
7.2.300.0040.01316.40
7.2.290.0130.00616.48
7.2.60.0040.01116.84
7.2.00.0000.01219.52
7.1.200.0040.00715.98
7.1.100.0060.00918.32
7.1.70.0040.00417.17
7.1.60.0070.01619.70
7.1.50.0090.01216.65
7.1.00.0030.07722.36
7.0.200.0030.00616.76
7.0.140.0000.07022.00
7.0.60.0300.07719.83
7.0.50.0100.08317.87
7.0.40.0130.06717.72
7.0.30.0030.08017.86
7.0.20.0130.07317.80
7.0.10.0030.05317.71
7.0.00.0070.05317.84
5.6.280.0070.07021.12
5.6.210.0130.06020.56
5.6.200.0000.04718.29
5.6.190.0070.05718.16
5.6.180.0130.07718.28
5.6.170.0100.08018.29
5.6.160.0070.06718.29
5.6.150.0030.05718.23
5.6.140.0130.04718.14
5.6.130.0100.08018.29
5.6.120.0100.08318.21
5.6.110.0030.04318.14
5.6.100.0130.07318.14
5.6.90.0070.04018.27
5.6.80.0000.04017.58
5.6.70.0000.04017.56
5.6.60.0000.04017.57
5.6.50.0000.04017.57
5.6.40.0070.03317.51
5.6.30.0070.04317.54
5.6.20.0100.03317.51
5.6.10.0070.03717.63
5.6.00.0030.03717.56
5.5.350.0200.07320.38
5.5.340.0170.07017.99
5.5.330.0170.07018.07
5.5.320.0030.08718.05
5.5.310.0030.04717.95
5.5.300.0030.07017.98
5.5.290.0130.06717.98
5.5.280.0100.07717.95
5.5.270.0030.04718.00
5.5.260.0070.05018.06
5.5.250.0070.04017.80
5.5.240.0000.04017.33
5.5.230.0030.04717.46
5.5.220.0100.03317.43
5.5.210.0030.03717.33
5.5.200.0070.03717.43
5.5.190.0030.04017.31
5.5.180.0070.03317.28
5.5.160.0030.03717.39
5.5.150.0000.04017.34
5.5.140.0030.03717.42
5.5.130.0000.04017.40
5.5.120.0070.03317.34
5.5.110.0030.04017.30
5.5.100.0100.03717.30
5.5.90.0000.04017.23
5.5.80.0030.04317.30
5.5.70.0070.03717.21
5.5.60.0070.03317.31
5.5.50.0030.03717.32
5.5.40.0030.06317.16
5.5.30.0000.04717.19
5.5.20.0030.03717.17
5.5.10.0070.06717.20
5.5.00.0100.07017.27
5.4.450.0100.07719.45
5.4.440.0000.05019.34
5.4.430.0030.05719.37
5.4.420.0070.05719.42
5.4.410.0070.04019.15
5.4.400.0030.03719.03
5.4.390.0030.04019.14
5.4.380.0030.03718.88
5.4.370.0000.04018.96
5.4.360.0030.03719.10
5.4.350.0030.03719.12
5.4.340.0070.04719.05
5.4.320.0030.03719.10
5.4.310.0000.04018.95
5.4.300.0130.04318.95
5.4.290.0030.03718.98
5.4.280.0000.04018.98
5.4.270.0000.04019.03
5.4.260.0000.04018.97
5.4.250.0030.04019.05
5.4.240.0000.04019.13
5.4.230.0070.03319.05
5.4.220.0030.03719.12
5.4.210.0000.04718.98
5.4.200.0030.04319.01
5.4.190.0030.05318.97
5.4.180.0030.04719.08
5.4.170.0030.04319.03
5.4.160.0070.07319.01
5.4.150.0030.08319.11
5.4.140.0100.07016.40
5.4.130.0070.06016.57
5.4.120.0070.07016.43
5.4.110.0070.07716.59
5.4.100.0070.05316.41
5.4.90.0070.05716.49
5.4.80.0070.06716.48
5.4.70.0130.07016.28
5.4.60.0100.07016.43
5.4.50.0130.07016.29
5.4.40.0170.06716.43
5.4.30.0000.05316.37
5.4.20.0100.03716.29
5.4.10.0100.07016.40
5.4.00.0000.06715.74
5.3.290.0000.04714.69
5.3.280.0000.04014.44
5.3.270.0030.08314.64
5.3.260.0000.05014.56
5.3.250.0070.06714.70
5.3.240.0070.07714.66
5.3.230.0130.07314.57
5.3.220.0200.02314.52
5.3.210.0070.04014.61
5.3.200.0070.04314.41
5.3.190.0100.07014.43
5.3.180.0070.05314.60
5.3.170.0070.05014.52
5.3.160.0070.07014.58
5.3.150.0000.04714.55
5.3.140.0070.05014.55
5.3.130.0030.08014.51
5.3.120.0200.05314.57
5.3.110.0030.07714.51
5.3.100.0070.05714.09
5.3.90.0070.05714.04
5.3.80.0100.05314.22
5.3.70.0070.04714.07
5.3.60.0100.05313.99
5.3.50.0100.07013.80
5.3.40.0100.06714.04
5.3.30.0000.04013.90
5.3.20.0070.06713.73
5.3.10.0030.07013.51
5.3.00.0030.08013.63
5.2.170.0100.05711.21
5.2.160.0070.04011.17
5.2.150.0030.03711.18
5.2.140.0030.05311.14
5.2.130.0000.04011.11
5.2.120.0130.03711.18
5.2.110.0030.05011.14
5.2.100.0100.03010.99
5.2.90.0000.07011.14
5.2.80.0030.06711.09
5.2.70.0000.06311.15
5.2.60.0000.07011.04
5.2.50.0000.06311.11
5.2.40.0100.05311.09
5.2.30.0130.03310.93
5.2.20.0030.06010.99
5.2.10.0030.06710.90
5.2.00.0070.06010.68
5.1.60.0070.0409.83
5.1.50.0030.05710.21
5.1.40.0000.0439.96
5.1.30.0030.03710.37
5.1.20.0070.03010.31
5.1.10.0100.05310.19
5.1.00.0030.05310.03
5.0.50.0000.0338.99
5.0.40.0070.0338.99
5.0.30.0030.0438.99
5.0.20.0030.0238.99
5.0.10.0070.0438.99
5.0.00.0030.0378.99
4.4.90.0030.0338.99
4.4.80.0030.0208.99
4.4.70.0000.0408.99
4.4.60.0070.0208.99
4.4.50.0030.0378.99
4.4.40.0000.0438.99
4.4.30.0030.0338.99
4.4.20.0000.0378.99
4.4.10.0000.0278.99
4.4.00.0070.0338.99
4.3.110.0000.0278.99
4.3.100.0000.0278.99
4.3.90.0030.0338.99
4.3.80.0030.0238.99
4.3.70.0070.0138.99
4.3.60.0030.0238.99
4.3.50.0000.0338.99
4.3.40.0000.0538.99
4.3.30.0000.0208.99
4.3.20.0030.0178.99
4.3.10.0030.0178.99
4.3.00.0000.0178.99

preferences:
35.32 ms | 401 KiB | 5 Q