3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a', 'b'); foreach ($arr as &$a) { var_dump($a); } var_dump($arr); foreach ($arr as $a) { var_dump($a); }

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)
8.3.40.0030.01218.54
8.3.30.0100.00318.96
8.3.20.0040.00420.36
8.3.10.0060.00320.52
8.3.00.0080.00019.25
8.2.170.0140.00322.96
8.2.160.0030.01020.38
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0070.00022.18
8.2.110.0040.00422.20
8.2.100.0110.00017.78
8.2.90.0070.00019.05
8.2.80.0090.00017.97
8.2.70.0060.00317.63
8.2.60.0040.00418.04
8.2.50.0050.00318.07
8.2.40.0000.00818.19
8.2.30.0000.00819.39
8.2.20.0040.00417.71
8.2.10.0080.00018.09
8.2.00.0030.00617.68
8.1.270.0040.00422.01
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.01023.85
8.1.230.0080.00319.21
8.1.220.0000.00817.79
8.1.210.0000.00818.77
8.1.200.0000.01217.35
8.1.190.0040.00417.22
8.1.180.0000.00718.10
8.1.170.0090.00018.50
8.1.160.0040.00422.07
8.1.150.0000.00818.75
8.1.140.0040.00417.45
8.1.130.0070.00017.82
8.1.120.0000.00717.52
8.1.110.0040.00417.46
8.1.100.0020.00517.51
8.1.90.0040.00417.44
8.1.80.0000.00717.52
8.1.70.0030.00317.46
8.1.60.0080.00017.58
8.1.50.0000.00817.54
8.1.40.0050.00317.54
8.1.30.0000.00817.54
8.1.20.0040.00417.59
8.1.10.0000.00817.42
8.1.00.0040.00417.38
8.0.300.0040.00420.63
8.0.290.0000.00716.75
8.0.280.0030.00318.48
8.0.270.0000.00717.20
8.0.260.0000.00717.16
8.0.250.0000.00717.01
8.0.240.0040.00416.89
8.0.230.0070.00016.84
8.0.220.0030.00316.93
8.0.210.0030.00316.93
8.0.200.0030.00316.90
8.0.190.0000.00716.84
8.0.180.0040.00416.98
8.0.170.0080.00016.82
8.0.160.0000.00716.94
8.0.150.0030.00516.87
8.0.140.0000.00716.89
8.0.130.0000.00613.31
8.0.120.0000.00816.89
8.0.110.0030.00316.77
8.0.100.0040.00416.79
8.0.90.0040.00416.84
8.0.80.0080.00816.89
8.0.70.0040.00416.84
8.0.60.0040.00416.92
8.0.50.0040.00416.93
8.0.30.0150.00516.92
8.0.20.0070.01117.40
8.0.10.0040.00416.98
8.0.00.0080.01516.73
7.4.330.0020.00215.13
7.4.320.0070.00016.60
7.4.300.0060.00016.51
7.4.290.0040.00416.55
7.4.280.0070.00016.54
7.4.270.0050.00216.58
7.4.260.0000.00716.49
7.4.250.0050.00316.61
7.4.240.0020.00516.55
7.4.230.0000.00716.50
7.4.220.0030.02316.68
7.4.210.0160.00316.66
7.4.200.0000.00716.53
7.4.160.0070.01016.39
7.4.150.0110.00817.40
7.4.140.0110.00817.86
7.4.130.0110.00616.37
7.4.120.0150.00816.38
7.4.110.0100.00716.33
7.4.100.0110.00816.48
7.4.90.0030.01616.21
7.4.80.0130.01016.50
7.4.70.0070.01016.45
7.4.60.0060.01016.43
7.4.50.0040.00416.26
7.4.40.0130.00316.34
7.4.30.0080.00716.41
7.4.10.0070.01314.92
7.4.00.0080.00815.07
7.3.330.0000.00513.20
7.3.320.0030.00413.16
7.3.310.0030.00316.26
7.3.300.0030.00316.26
7.3.290.0100.01016.20
7.3.280.0090.00616.30
7.3.270.0100.01317.40
7.3.260.0160.00016.32
7.3.250.0130.00316.41
7.3.240.0080.00816.48
7.3.230.0170.00516.39
7.3.210.0120.00616.43
7.3.200.0060.01619.39
7.3.190.0110.00816.24
7.3.180.0080.00816.49
7.3.170.0090.01216.63
7.3.160.0080.00816.26
7.3.130.0090.00914.83
7.3.120.0110.00715.01
7.3.110.0070.01414.54
7.3.100.0110.00314.71
7.3.90.0060.00914.63
7.3.80.0080.00814.96
7.3.70.0070.00714.52
7.3.60.0100.00614.47
7.3.50.0150.00014.91
7.3.40.0140.00014.40
7.3.30.0060.00614.54
7.3.20.0070.00716.15
7.3.10.0080.00516.54
7.3.00.0040.00816.44
7.2.330.0140.00316.50
7.2.320.0070.01016.66
7.2.310.0090.01516.66
7.2.300.0060.01016.36
7.2.290.0130.00916.68
7.2.260.0040.01514.58
7.2.250.0090.00314.84
7.2.240.0100.00715.00
7.2.230.0100.00714.84
7.2.220.0040.01114.95
7.2.210.0000.01114.80
7.2.200.0040.01114.97
7.2.190.0000.01315.09
7.2.180.0090.00615.02
7.2.170.0100.00314.84
7.2.160.0030.00914.95
7.2.150.0040.00816.78
7.2.140.0040.01516.88
7.2.130.0020.01016.76
7.2.120.0060.00716.60
7.2.110.0060.00716.75
7.2.100.0040.01016.63
7.2.90.0070.00616.96
7.2.80.0090.00416.66
7.2.70.0070.00716.69
7.2.60.0080.00516.66
7.2.50.0070.00716.85
7.2.40.0100.00416.67
7.2.30.0030.00916.94
7.2.20.0060.00816.75
7.2.10.0040.00816.90
7.2.00.0110.00417.36
7.1.330.0060.00915.85
7.1.320.0030.01415.82
7.1.310.0000.01215.84
7.1.300.0070.00715.75
7.1.290.0070.00715.96
7.1.280.0030.00915.78
7.1.270.0030.01015.88
7.1.260.0100.00315.47
7.1.250.0030.01015.67
7.1.240.0030.01015.76
7.1.230.0110.00615.84
7.1.220.0040.00715.61
7.1.210.0000.01615.84
7.1.200.0040.00715.58
7.1.190.0070.01115.77
7.1.180.0100.00315.85
7.1.170.0070.00415.93
7.1.160.0070.00715.90
7.1.150.0000.01015.86
7.1.140.0000.01115.82
7.1.130.0090.00315.93
7.1.120.0110.00415.95
7.1.110.0100.00315.86
7.1.100.0030.00816.77
7.1.90.0110.00315.70
7.1.80.0030.01015.86
7.1.70.0040.00516.50
7.1.60.0020.01016.52
7.1.50.0080.01116.28
7.1.40.0030.00915.67
7.1.30.0090.00615.89
7.1.20.0040.01115.81
7.1.10.0000.01015.65
7.1.00.0050.04019.14
7.0.330.0030.00715.35
7.0.320.0060.01015.23
7.0.310.0070.00715.46
7.0.300.0030.00915.14
7.0.290.0080.00615.35
7.0.280.0060.00915.44
7.0.270.0030.01015.13
7.0.260.0090.00615.21
7.0.250.0030.00915.53
7.0.240.0030.01315.16
7.0.230.0100.00315.32
7.0.220.0070.01015.61
7.0.210.0100.00015.46
7.0.200.0070.00615.92
7.0.190.0030.01015.58
7.0.180.0030.01315.49
7.0.170.0090.00615.44
7.0.160.0000.01215.17
7.0.150.0000.01215.38
7.0.140.0100.03618.71
7.0.130.0080.00315.24
7.0.120.0030.00915.60
7.0.110.0030.01015.29
7.0.100.0170.04717.63
7.0.90.0060.03117.64
7.0.80.0230.03517.76
7.0.70.0050.04217.75
7.0.60.0140.02717.58
7.0.50.0080.03817.93
7.0.40.0050.04416.64
7.0.30.0060.03516.74
7.0.20.0090.04016.89
7.0.10.0030.04916.75
7.0.00.0050.04016.86
5.6.400.0060.00314.09
5.6.390.0090.00314.24
5.6.380.0000.01814.29
5.6.370.0130.00314.20
5.6.360.0080.00314.30
5.6.350.0060.00914.37
5.6.340.0070.00714.33
5.6.330.0030.01014.48
5.6.320.0040.01114.07
5.6.310.0070.00714.30
5.6.300.0150.00014.44
5.6.290.0030.01014.52
5.6.280.0060.00314.23
5.6.270.0100.00614.01
5.6.260.0090.00614.21
5.6.250.0060.04317.28
5.6.240.0070.03217.45
5.6.230.0100.01817.58
5.6.220.0070.03917.43
5.6.210.0020.03717.39
5.6.200.0090.04117.48
5.6.190.0030.03917.55
5.6.180.0030.04217.71
5.6.170.0130.04117.68
5.6.160.0020.04417.69
5.6.150.0080.04517.62
5.6.140.0030.02617.63
5.6.130.0070.02317.68
5.6.120.0110.02517.61
5.6.110.0030.02517.61
5.6.100.0060.04117.58
5.6.90.0080.03817.64
5.6.80.0090.02017.32
5.6.70.0070.02117.21
5.6.60.0100.03017.42
5.6.50.0120.03517.22
5.6.40.0110.02417.22
5.6.30.0030.04617.30
5.6.20.0080.04517.33
5.6.10.0080.02517.28
5.6.00.0050.02317.32
5.5.380.0060.02317.37
5.5.370.0030.03017.39
5.5.360.0050.04217.35
5.5.350.0100.03217.31
5.5.340.0030.04517.61
5.5.330.0070.04517.71
5.5.320.0030.03017.41
5.5.310.0120.03617.51
5.5.300.0060.04317.47
5.5.290.0030.03317.41
5.5.280.0110.04517.46
5.5.270.0070.03617.59
5.5.260.0100.01817.61
5.5.250.0020.02517.36
5.5.240.0030.04217.12
5.5.230.0100.02017.15
5.5.220.0020.04717.12
5.5.210.0050.02217.17
5.5.200.0030.03017.19
5.5.190.0070.04317.08
5.5.180.0060.04517.08
5.5.170.0070.00713.89
5.5.160.0030.02617.19
5.5.150.0030.02617.05
5.5.140.0070.01917.14
5.5.130.0030.03617.13
5.5.120.0000.04617.19
5.5.110.0070.02017.10
5.5.100.0050.04117.17
5.5.90.0080.04017.25
5.5.80.0100.01817.22
5.5.70.0030.03617.06
5.5.60.0080.04117.14
5.5.50.0050.04017.06
5.5.40.0080.03517.16
5.5.30.0080.04417.14
5.5.20.0070.03517.12
5.5.10.0050.02516.96
5.5.00.0060.04016.81
5.4.450.0060.03515.37
5.4.440.0030.03815.36
5.4.430.0050.04215.51
5.4.420.0090.03215.47
5.4.410.0050.04515.46
5.4.400.0070.03015.35
5.4.390.0070.03515.20
5.4.380.0050.04115.31
5.4.370.0070.02015.32
5.4.360.0050.03515.33
5.4.350.0030.04215.41
5.4.340.0110.03615.32
5.4.330.0070.00311.59
5.4.320.0050.03215.31
5.4.310.0080.02115.29
5.4.300.0060.03515.34
5.4.290.0050.01715.31
5.4.280.0050.04015.32
5.4.270.0040.04115.27
5.4.260.0070.04115.38
5.4.250.0050.04015.20
5.4.240.0020.02515.31
5.4.230.0030.04315.27
5.4.220.0030.04315.29
5.4.210.0030.04415.19
5.4.200.0080.04015.20
5.4.190.0000.03815.28
5.4.180.0080.03515.35
5.4.170.0070.03615.20
5.4.160.0060.04115.28
5.4.150.0060.02415.29
5.4.140.0080.03413.97
5.4.130.0030.03913.96
5.4.120.0080.03713.92
5.4.110.0070.03814.02
5.4.100.0100.03914.01
5.4.90.0050.03813.90
5.4.80.0070.03813.95
5.4.70.0080.01813.94
5.4.60.0080.03813.99
5.4.50.0030.02813.93
5.4.40.0060.02213.94
5.4.30.0080.02313.91
5.4.20.0100.01513.88
5.4.10.0080.02813.95
5.4.00.0030.02313.66
5.3.290.0200.06714.66
5.3.280.0030.06714.57
5.3.270.0070.04314.56
5.3.260.0000.08014.62
5.3.250.0170.06714.59
5.3.240.0000.04714.46
5.3.230.0130.03714.57
5.3.220.0070.08314.40
5.3.210.0130.04014.52
5.3.200.0170.05314.53
5.3.190.0070.07714.43
5.3.180.0070.07014.57
5.3.170.0070.04714.39
5.3.160.0070.05714.55
5.3.150.0230.03014.52
5.3.140.0100.03014.54
5.3.130.0070.03714.54
5.3.120.0070.03314.51
5.3.110.0000.04014.53
5.3.100.0030.04013.97
5.3.90.0070.03313.87
5.3.80.0070.03314.01
5.3.70.0130.02713.98
5.3.60.0030.03313.85
5.3.50.0100.02713.93
5.3.40.0000.04013.80
5.3.30.0070.03013.85
5.3.20.0070.03313.68
5.3.10.0000.03313.66
5.3.00.0100.03713.41
5.2.170.0130.02311.13
5.2.160.0000.03010.93
5.2.150.0030.03011.13
5.2.140.0000.03011.11
5.2.130.0000.03711.09
5.2.120.0070.02010.91
5.2.110.0030.02310.92
5.2.100.0030.02711.09
5.2.90.0030.02311.15
5.2.80.0030.03011.14
5.2.70.0100.05311.11
5.2.60.0030.02711.02
5.2.50.0000.02710.94
5.2.40.0030.02710.98
5.2.30.0030.05310.77
5.2.20.0030.05310.95
5.2.10.0070.02310.80
5.2.00.0030.02310.63
5.1.60.0030.0239.98
5.1.50.0000.02710.03
5.1.40.0030.02710.05
5.1.30.0000.02310.30
5.1.20.0030.02010.21
5.1.10.0070.02310.11
5.1.00.0000.02310.06
5.0.50.0030.0208.95
5.0.40.0000.0238.95
5.0.30.0000.0338.95
5.0.20.0030.0178.95
5.0.10.0000.0178.95
5.0.00.0100.0478.95
4.4.90.0000.0308.95
4.4.80.0000.0178.95
4.4.70.0000.0178.95
4.4.60.0000.0138.95
4.4.50.0030.0138.95
4.4.40.0000.0238.95
4.4.30.0000.0178.95
4.4.20.0000.0138.95
4.4.10.0000.0138.95
4.4.00.0030.0238.95
4.3.110.0030.0178.95
4.3.100.0000.0178.95
4.3.90.0030.0138.95
4.3.80.0000.0238.95
4.3.70.0000.0138.95
4.3.60.0030.0138.95
4.3.50.0000.0178.95
4.3.40.0030.0208.95
4.3.30.0030.0138.95
4.3.20.0070.0138.95
4.3.10.0000.0138.95
4.3.00.0030.0138.95

preferences:
41.44 ms | 400 KiB | 5 Q