3v4l.org

run code in 300+ PHP versions simultaneously
<?php function uppercase(Traversable $in) { foreach ($in as $word) { yield strtoupper($word); } } function reverse(Traversable $in) { foreach ($in as $word) { yield strrev($word); } } function each_println(Traversable $in) { foreach ($in as $line) { echo "$line\n"; } } function allAbove(Traversable $in) { foreach($in as $word) { yield array('upper' => strtoupper($word), 'rev' => strrev($word), 'combined' => strrev(strtoupper($word))); } } each_println(reverse(uppercase(new ArrayIterator(["foo", "bar", "baz"])))); foreach(allAbove(new ArrayIterator(["foo", "bar", "baz"])) as $item) { each_println(new ArrayIterator($item)); }

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)
8.3.40.0040.01118.79
8.3.30.0110.01118.82
8.3.20.0040.00420.33
8.3.10.0080.00023.36
8.3.00.0070.00020.72
8.2.170.0080.00822.96
8.2.160.0070.00722.08
8.2.150.0060.00324.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0000.00722.24
8.2.110.0050.00520.50
8.2.100.0090.00318.03
8.2.90.0000.00819.25
8.2.80.0000.00817.97
8.2.70.0030.00517.50
8.2.60.0060.00317.93
8.2.50.0030.00518.07
8.2.40.0000.00818.28
8.2.30.0040.00418.23
8.2.20.0030.00517.65
8.2.10.0030.00519.59
8.2.00.0000.00817.87
8.1.270.0040.00423.85
8.1.260.0030.00526.35
8.1.250.0100.00028.09
8.1.240.0040.00423.92
8.1.230.0040.00817.58
8.1.220.0040.00417.80
8.1.210.0080.00018.77
8.1.200.0040.00417.35
8.1.190.0040.00417.64
8.1.180.0040.00418.10
8.1.170.0000.00918.67
8.1.160.0040.00421.91
8.1.150.0040.00418.72
8.1.140.0050.00217.39
8.1.130.0030.00317.85
8.1.120.0040.00417.50
8.1.110.0020.00517.46
8.1.100.0030.00717.49
8.1.90.0040.00417.36
8.1.80.0030.00317.38
8.1.70.0000.00717.39
8.1.60.0060.00317.59
8.1.50.0080.00017.45
8.1.40.0040.00417.41
8.1.30.0000.00817.63
8.1.20.0000.00817.60
8.1.10.0030.00917.59
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.47
8.0.270.0030.00317.23
8.0.260.0000.00618.47
8.0.250.0000.00616.93
8.0.240.0070.00017.05
8.0.230.0000.00717.07
8.0.220.0030.00317.01
8.0.210.0000.00717.02
8.0.200.0020.00516.93
8.0.190.0050.00317.02
8.0.180.0000.00716.96
8.0.170.0040.00417.04
8.0.160.0000.00816.95
8.0.150.0000.00816.94
8.0.140.0030.00316.90
8.0.130.0050.00013.41
8.0.120.0050.00316.96
8.0.110.0040.00416.98
8.0.100.0040.00416.83
8.0.90.0020.00516.93
8.0.80.0090.00916.87
8.0.70.0050.00216.88
8.0.60.0000.00716.93
8.0.50.0040.00416.86
8.0.30.0080.01217.16
8.0.20.0070.01217.40
8.0.10.0080.00016.98
8.0.00.0100.00716.92
7.4.330.0050.00015.00
7.4.320.0000.00716.48
7.4.300.0000.00616.32
7.4.290.0070.00016.57
7.4.280.0000.00716.54
7.4.270.0000.00616.48
7.4.260.0070.00016.39
7.4.250.0070.00016.50
7.4.240.0040.00416.49
7.4.230.0000.00716.21
7.4.220.0070.01116.45
7.4.210.0040.01016.50
7.4.200.0000.00716.66
7.4.190.0030.00316.43
7.4.160.0140.00316.46
7.4.150.0170.00017.40
7.4.140.0110.00717.86
7.4.130.0090.01016.54
7.4.120.0090.00716.61
7.4.110.0140.00316.53
7.4.100.0100.01316.29
7.4.90.0140.01016.61
7.4.80.0100.00716.60
7.4.70.0060.01116.36
7.4.60.0070.01016.57
7.4.50.0050.00316.58
7.4.40.0090.00922.77
7.4.30.0070.01016.48
7.4.00.0000.01714.71
7.3.330.0050.00013.18
7.3.320.0060.00013.08
7.3.310.0060.00316.30
7.3.300.0030.00316.36
7.3.290.0000.01316.25
7.3.280.0110.00616.26
7.3.270.0160.00017.40
7.3.260.0060.01216.55
7.3.250.0080.00916.43
7.3.240.0080.00816.63
7.3.230.0170.00816.52
7.3.210.0100.00916.65
7.3.200.0140.00719.39
7.3.190.0120.00616.34
7.3.180.0110.00616.65
7.3.170.0180.00016.48
7.3.160.0090.00916.44
7.3.120.0060.00914.83
7.3.10.0120.00416.61
7.3.00.0110.00716.63
7.2.330.0050.01616.47
7.2.320.0120.00616.60
7.2.310.0070.01016.75
7.2.300.0030.01316.68
7.2.290.0090.00616.57
7.2.130.0030.01316.81
7.2.120.0070.01417.03
7.2.110.0080.00816.91
7.2.100.0110.00817.14
7.2.90.0110.01516.89
7.2.80.0200.00716.86
7.2.70.0140.01016.95
7.2.60.0130.00816.91
7.2.50.0060.00616.99
7.2.40.0030.01116.92
7.2.30.0130.00317.09
7.2.20.0040.01616.82
7.2.10.0030.01216.93
7.2.00.0080.00518.06
7.1.250.0000.01415.64
7.1.100.0040.00717.95
7.1.70.0050.00317.09
7.1.60.0090.00319.27
7.1.50.0040.01234.87
7.1.00.0100.07022.36
7.0.200.0040.00416.55
7.0.140.0070.06722.08
7.0.110.0200.07719.99
7.0.100.0170.07720.00
7.0.90.0030.05320.07
7.0.80.0130.08319.86
7.0.70.0100.07720.05
7.0.60.0070.06719.89
7.0.50.0130.05720.00
7.0.40.0030.05019.73
7.0.30.0000.08719.79
7.0.20.0130.07719.86
7.0.10.0000.05019.65
7.0.00.0130.04319.70
5.6.280.0030.07021.11
5.6.260.0070.08020.64
5.6.250.0030.04320.71
5.6.240.0130.07720.66
5.6.230.0100.04720.56
5.6.220.0030.07320.68
5.6.210.0100.07320.63
5.6.200.0170.07020.69
5.6.190.0100.04720.57
5.6.180.0100.07720.57
5.6.170.0200.06720.47
5.6.160.0100.08320.59
5.6.150.0030.07320.64
5.6.140.0100.08320.70
5.6.130.0100.07720.66
5.6.120.0030.05320.47
5.6.110.0130.07320.70
5.6.100.0070.08720.72
5.6.90.0170.07320.60
5.6.80.0130.06719.96
5.6.70.0030.07719.93
5.6.60.0170.07320.07
5.6.50.0030.07320.02
5.6.40.0130.07720.05
5.6.30.0100.07720.00
5.6.20.0130.06720.06
5.6.10.0030.07719.95
5.6.00.0030.06719.98
5.5.380.0100.07717.47
5.5.370.0070.08017.55
5.5.360.0030.08017.58
5.5.350.0100.07717.65
5.5.340.0070.07718.05
5.5.330.0070.08017.91
5.5.320.0070.08317.93
5.5.310.0100.07318.23
5.5.300.0070.07718.07
5.5.290.0070.08018.23
5.5.280.0100.07318.09
5.5.270.0000.08718.25
5.5.260.0030.08318.22
5.5.250.0030.07717.75
5.5.240.0170.07017.32
5.5.230.0030.08017.45
5.5.220.0130.07017.50
5.5.210.0030.07717.26
5.5.200.0030.06717.35
5.5.190.0030.07717.45
5.5.180.0200.06717.43
5.5.160.0070.06717.57
5.5.150.0070.08017.57
5.5.140.0100.07017.30
5.5.130.0070.08017.47
5.5.120.0070.03717.27
5.5.110.0030.03717.41
5.5.100.0100.07317.31
5.5.90.0030.07717.36
5.5.80.0170.07017.18
5.5.70.0000.08017.47
5.5.60.0030.07717.19
5.5.50.0000.05017.50
5.5.40.0070.07717.17
5.5.30.0130.07317.36
5.5.20.0070.08017.47
5.5.10.0100.07317.29
5.5.00.0130.04317.16
5.4.450.0130.06719.47
5.4.440.0200.06719.64
5.4.430.0070.07319.55
5.4.420.0070.06319.32
5.4.410.0070.05019.38
5.4.400.0170.06019.24
5.4.390.0100.06319.01
5.4.380.0130.07319.14
5.4.370.0100.05319.18
5.4.360.0030.08019.09
5.4.350.0030.08319.09
5.4.340.0130.07019.01
5.4.320.0070.04719.31
5.4.310.0170.06719.22
5.4.300.0130.06318.98
5.4.290.0130.07319.16
5.4.280.0070.04319.14
5.4.270.0070.07319.16
5.4.260.0030.05718.98
5.4.250.0030.07719.22
5.4.240.0000.07719.24
5.4.230.0070.06719.18
5.4.220.0030.08319.14
5.4.210.0130.07019.04
5.4.200.0030.07018.99
5.4.190.0070.07319.08
5.4.180.0070.06318.99
5.4.170.0070.07718.98
5.4.160.0070.04319.16
5.4.150.0100.06718.96
5.4.140.0130.06316.55
5.4.130.0100.06716.56
5.4.120.0030.06016.54
5.4.110.0030.06316.57
5.4.100.0070.07316.51
5.4.90.0030.04316.43
5.4.80.0100.06716.45
5.4.70.0100.06016.41
5.4.60.0030.08016.49
5.4.50.0070.05716.38
5.4.40.0100.05716.34
5.4.30.0070.07316.44
5.4.20.0070.07316.28
5.4.10.0130.06316.42
5.4.00.0070.07015.88
5.3.290.0100.07714.70
5.3.280.0100.07314.60
5.3.270.0030.08014.62
5.3.260.0070.08014.84
5.3.250.0070.07014.61
5.3.240.0030.05014.74
5.3.230.0000.08314.71
5.3.220.0070.06314.66
5.3.210.0030.07314.53
5.3.200.0030.07314.58
5.3.190.0130.07014.56
5.3.180.0030.08314.64
5.3.170.0130.07314.58
5.3.160.0070.08014.59
5.3.150.0100.07014.43
5.3.140.0130.06714.54
5.3.130.0030.07314.57
5.3.120.0070.07314.64
5.3.110.0100.07314.69
5.3.100.0100.07014.28
5.3.90.0070.07314.04
5.3.80.0000.05013.97
5.3.70.0030.08013.96
5.3.60.0070.06713.96
5.3.50.0070.04313.90
5.3.40.0100.07313.93
5.3.30.0170.06713.96
5.3.20.0070.06713.81
5.3.10.0100.06713.88
5.3.00.0030.04013.66
5.2.170.0000.04011.13
5.2.160.0070.05011.15
5.2.150.0100.05011.22
5.2.140.0070.06711.28
5.2.130.0000.06311.11
5.2.120.0030.06711.32
5.2.110.0130.04711.07
5.2.100.0070.06011.11
5.2.90.0170.05311.09
5.2.80.0100.05011.09
5.2.70.0070.05011.09
5.2.60.0070.06011.13
5.2.50.0000.06310.86
5.2.40.0070.05010.95
5.2.30.0030.05010.99
5.2.20.0030.05011.11
5.2.10.0000.06310.87
5.2.00.0030.05710.72
5.1.60.0000.05710.24
5.1.50.0070.0509.99
5.1.40.0130.0479.98
5.1.30.0030.06010.31
5.1.20.0030.06010.43
5.1.10.0100.05310.06
5.1.00.0100.05010.22
5.0.50.0000.0339.68
5.0.40.0000.0479.68
5.0.30.0030.0609.68
5.0.20.0100.0379.68
5.0.10.0070.0409.68
5.0.00.0000.0539.68
4.4.90.0070.0139.68
4.4.80.0030.0279.68
4.4.70.0070.0339.68
4.4.60.0030.0379.68
4.4.50.0030.0339.68
4.4.40.0000.0509.68
4.4.30.0030.0339.68
4.4.20.0000.0209.68
4.4.10.0070.0279.68
4.4.00.0000.0309.68
4.3.110.0030.0379.68
4.3.100.0000.0379.68
4.3.90.0000.0309.68
4.3.80.0070.0509.68
4.3.70.0000.0379.68
4.3.60.0130.0239.68
4.3.50.0070.0279.68
4.3.40.0000.0439.68
4.3.30.0000.0309.68
4.3.20.0000.0379.68
4.3.10.0000.0339.68
4.3.00.0030.0339.68

preferences:
36.55 ms | 400 KiB | 5 Q