3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items = array(1, 2, 3, 4, 5); foreach ( $items as &$item ) { echo $item."\n"; if ( $item == 2 ) { $item = 9; prev($items); } } var_dump($items);

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)
8.3.40.0150.00618.84
8.3.30.0100.00318.88
8.3.20.0080.00020.30
8.3.10.0030.00520.39
8.3.00.0040.00419.69
8.2.170.0110.00422.96
8.2.160.0100.00320.41
8.2.150.0000.00724.18
8.2.140.0050.00224.66
8.2.130.0070.00026.16
8.2.120.0000.00722.23
8.2.110.0070.00719.33
8.2.100.0080.00417.78
8.2.90.0030.00517.84
8.2.80.0080.00017.97
8.2.70.0070.00317.63
8.2.60.0030.00518.04
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.00819.19
8.2.20.0070.00017.66
8.2.10.0060.00318.18
8.2.00.0000.00817.73
8.1.270.0030.00622.01
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0060.00322.30
8.1.230.0080.00420.96
8.1.220.0080.00317.77
8.1.210.0110.00018.77
8.1.200.0030.00617.36
8.1.190.0000.00817.35
8.1.180.0000.00718.10
8.1.170.0070.00318.43
8.1.160.0040.00422.00
8.1.150.0040.00418.93
8.1.140.0000.00717.44
8.1.130.0070.00017.75
8.1.120.0070.00017.48
8.1.110.0000.00817.50
8.1.100.0000.00717.50
8.1.90.0030.00317.38
8.1.80.0000.00717.38
8.1.70.0000.00717.46
8.1.60.0000.00817.60
8.1.50.0080.00017.41
8.1.40.0070.00017.54
8.1.30.0030.00617.68
8.1.20.0040.00417.52
8.1.10.0000.00817.53
8.1.00.0080.00017.52
8.0.300.0040.00419.98
8.0.290.0000.00716.75
8.0.280.0000.00718.43
8.0.270.0050.00217.13
8.0.260.0030.00317.17
8.0.250.0040.00316.94
8.0.240.0030.00316.94
8.0.230.0060.00016.83
8.0.220.0000.00716.77
8.0.210.0000.00716.79
8.0.200.0040.00416.97
8.0.190.0000.00716.98
8.0.180.0040.00416.93
8.0.170.0050.00316.89
8.0.160.0000.00716.93
8.0.150.0070.00016.77
8.0.140.0030.00716.89
8.0.130.0000.00513.33
8.0.120.0040.00416.81
8.0.110.0000.00816.90
8.0.100.0040.00416.70
8.0.90.0000.00816.71
8.0.80.0080.00816.93
8.0.70.0040.00416.79
8.0.60.0040.00416.90
8.0.50.0050.00216.97
8.0.30.0120.00716.98
8.0.20.0120.01217.40
8.0.10.0070.00017.03
8.0.00.0070.01416.71
7.4.330.0050.00015.00
7.4.320.0040.00416.59
7.4.300.0060.00016.44
7.4.290.0070.00016.46
7.4.280.0080.00016.58
7.4.270.0030.00316.42
7.4.260.0030.00616.40
7.4.250.0080.00016.42
7.4.240.0050.00216.52
7.4.230.0030.00316.26
7.4.220.0120.00616.46
7.4.210.0060.01316.62
7.4.200.0000.00716.34
7.4.160.0130.00916.48
7.4.150.0110.00717.40
7.4.140.0080.00917.86
7.4.130.0120.00716.49
7.4.120.0130.00616.46
7.4.110.0260.00716.70
7.4.100.0040.01216.36
7.4.90.0030.01516.50
7.4.80.0100.00616.51
7.4.70.0060.01116.48
7.4.60.0150.00316.65
7.4.50.0030.00516.40
7.4.40.0090.01216.52
7.4.30.0130.00316.57
7.4.00.0100.00715.02
7.3.330.0050.00012.98
7.3.320.0060.00013.14
7.3.310.0000.00716.20
7.3.300.0030.00316.14
7.3.290.0100.01016.32
7.3.280.0070.00916.26
7.3.270.0050.01417.40
7.3.260.0100.00716.66
7.3.250.0080.00916.47
7.3.240.0100.00716.24
7.3.230.0070.01016.39
7.3.210.0060.01316.20
7.3.200.0170.00319.39
7.3.190.0110.00516.62
7.3.180.0060.00916.55
7.3.170.0070.01016.55
7.3.160.0060.00916.63
7.3.00.0030.01016.60
7.2.330.0030.01316.50
7.2.320.0130.00416.53
7.2.310.0070.01616.43
7.2.300.0090.00916.71
7.2.290.0110.00616.79
7.2.130.0060.01217.05
7.2.120.0070.00417.05
7.2.110.0000.01516.71
7.2.100.0060.00316.91
7.2.90.0030.00716.95
7.2.80.0040.01216.95
7.2.70.0080.00817.02
7.2.60.0060.00916.94
7.2.50.0030.00916.86
7.2.40.0070.00717.00
7.2.30.0090.00317.07
7.2.20.0030.00717.01
7.2.10.0070.00716.97
7.2.00.0050.00718.14
7.1.250.0090.00615.80
7.1.240.0070.00715.75
7.1.230.0070.00315.83
7.1.220.0050.00515.56
7.1.210.0090.00315.92
7.1.200.0090.00515.74
7.1.190.0140.00015.69
7.1.180.0000.01215.57
7.1.170.0060.01315.77
7.1.160.0060.00615.45
7.1.150.0060.00915.70
7.1.140.0060.00615.75
7.1.130.0030.00815.63
7.1.120.0090.00015.93
7.1.110.0000.01215.83
7.1.100.0090.00416.90
7.1.90.0080.00415.74
7.1.80.0030.01015.92
7.1.70.0070.00516.36
7.1.60.0070.00817.50
7.1.50.0050.01216.08
7.1.40.0070.00715.72
7.1.30.0100.00715.68
7.1.20.0100.00315.46
7.1.10.0070.00715.68
7.1.00.0050.04218.95
7.0.330.0140.00015.35
7.0.320.0090.00315.51
7.0.310.0040.01215.48
7.0.300.0070.00715.36
7.0.290.0120.00315.32
7.0.280.0060.00915.41
7.0.270.0040.00715.48
7.0.260.0060.00615.51
7.0.250.0060.00615.53
7.0.240.0130.00015.54
7.0.230.0060.00315.26
7.0.220.0100.00015.30
7.0.210.0000.01415.15
7.0.200.0000.00816.13
7.0.190.0060.00615.55
7.0.180.0130.00315.35
7.0.170.0070.00415.54
7.0.160.0110.00715.52
7.0.150.0060.01015.54
7.0.140.0020.04318.57
7.0.130.0080.00415.56
7.0.120.0040.00815.63
7.0.110.0030.01015.46
7.0.100.0030.00915.23
7.0.90.0100.00315.21
7.0.80.0120.00315.32
7.0.70.0030.00915.26
7.0.60.0080.04017.76
7.0.50.0050.02816.60
7.0.40.0030.05216.64
7.0.30.0130.02116.80
7.0.20.0150.03316.81
7.0.10.0030.02516.72
7.0.00.0050.03516.79
5.6.380.0040.01114.16
5.6.370.0030.00714.14
5.6.360.0070.00714.30
5.6.350.0000.01314.50
5.6.340.0040.01314.11
5.6.330.0040.00814.72
5.6.320.0060.00614.30
5.6.310.0070.00714.35
5.6.300.0060.00314.11
5.6.290.0040.01114.37
5.6.280.0030.04017.73
5.6.270.0120.00014.41
5.6.260.0030.01014.34
5.6.250.0090.00314.22
5.6.240.0060.00614.39
5.6.230.0070.00714.30
5.6.220.0060.00614.46
5.6.210.0080.04217.58
5.6.200.0100.02516.26
5.6.190.0070.02517.34
5.6.180.0240.02717.18
5.6.170.0120.03817.26
5.6.160.0070.02817.48
5.6.150.0080.04116.23
5.6.140.0060.03416.23
5.6.130.0070.02316.23
5.6.120.0050.02717.59
5.6.110.0070.03617.64
5.6.100.0060.03717.64
5.6.90.0050.03317.76
5.6.80.0120.03917.18
5.6.70.0040.00714.33
5.6.60.0040.00414.52
5.6.50.0030.01014.04
5.6.40.0060.00314.25
5.6.30.0040.00714.27
5.6.20.0110.00414.34
5.6.10.0040.00814.06
5.6.00.0000.00914.33
5.5.380.0000.01211.18
5.5.370.0000.00911.20
5.5.360.0100.00011.18
5.5.350.0110.03915.89
5.5.340.0090.02214.61
5.5.330.0040.03915.62
5.5.320.0230.03015.71
5.5.310.0240.03215.69
5.5.300.0080.03214.55
5.5.290.0050.02214.57
5.5.280.0020.05016.06
5.5.270.0030.02515.99
5.5.260.0020.02916.06
5.5.250.0080.04515.82
5.5.240.0130.03815.68
5.5.230.0030.00311.18
5.5.220.0050.00211.18
5.5.210.0000.00611.18
5.5.200.0030.00611.25
5.5.190.0030.00611.18
5.5.180.0070.00011.18
5.5.170.0030.00811.18
5.5.160.0000.01211.18
5.5.150.0060.00611.18
5.5.140.0030.00611.18
5.5.130.0000.01011.18
5.5.120.0060.00611.18
5.5.110.0060.00611.22
5.5.100.0040.00411.18
5.5.90.0030.00911.18
5.5.80.0000.01211.18
5.5.70.0000.01011.18
5.5.60.0070.00411.18
5.5.50.0030.01011.18
5.5.40.0090.00311.18
5.5.30.0030.00711.18
5.5.20.0030.01011.18
5.5.10.0060.00311.18
5.5.00.0000.00611.18
5.4.450.0150.03015.33
5.4.440.0570.03415.15
5.4.430.0420.02815.39
5.4.420.0420.03515.38
5.4.410.0540.03315.16
5.4.400.0550.02815.24
5.4.390.0400.03315.23
5.4.380.0230.03614.88
5.4.370.0200.02714.91
5.4.360.0150.03114.86
5.4.350.0230.02714.93
5.4.340.0150.03314.94
5.4.330.0000.00711.18
5.4.320.0060.02311.81
5.4.310.0050.02211.81
5.4.300.0070.02011.81
5.4.290.0040.02311.81
5.4.280.0050.02211.76
5.4.270.0060.02811.76
5.4.260.0070.02411.76
5.4.250.0050.02011.76
5.4.240.0050.02111.76
5.4.230.0070.02011.76
5.4.220.0040.02211.76
5.4.210.0040.01911.76
5.4.200.0050.02211.76
5.4.190.0050.01911.76
5.4.180.0040.02011.76
5.4.170.0050.02311.76
5.4.160.0050.02111.76
5.4.150.0060.02111.76
5.4.140.0040.02111.60
5.4.130.0040.02411.60
5.4.120.0100.01911.57
5.4.110.0060.02111.57
5.4.100.0040.02311.61
5.4.90.0040.02311.57
5.4.80.0050.02611.57
5.4.70.0050.02211.57
5.4.60.0030.02211.57
5.4.50.0040.02211.57
5.4.40.0060.02011.56
5.4.30.0060.02411.56
5.4.20.0080.01911.56
5.4.10.0040.02011.56
5.4.00.0040.02311.31
5.3.290.0090.02311.99
5.3.280.0090.02211.94
5.3.270.0060.02111.95
5.3.260.0030.02311.95
5.3.250.0050.01811.95
5.3.240.0050.02411.95
5.3.230.0060.02511.94
5.3.220.0070.02111.93
5.3.210.0090.02311.93
5.3.200.0050.02411.93
5.3.190.0040.02511.93
5.3.180.0020.02511.92
5.3.170.0090.01911.92
5.3.160.0070.02111.93
5.3.150.0060.02111.92
5.3.140.0080.02311.92
5.3.130.0050.02311.92
5.3.120.0070.02211.92
5.3.110.0060.02911.91
5.3.100.0070.02311.65
5.3.90.0030.02611.63
5.3.80.0070.02011.63
5.3.70.0040.01911.62
5.3.60.0040.02311.62
5.3.50.0030.02311.59
5.3.40.0060.02011.59
5.3.30.0050.01711.56
5.3.20.0070.01811.45
5.3.10.0070.02111.43
5.3.00.0030.02411.42
5.2.170.0020.01910.17
5.2.160.0020.01810.18
5.2.150.0050.01510.18
5.2.140.0030.01610.17
5.2.130.0020.01910.16
5.2.120.0070.01710.15
5.2.110.0050.02210.16
5.2.100.0040.02310.16
5.2.90.0070.01510.16
5.2.80.0050.01810.16
5.2.70.0040.01610.15
5.2.60.0030.01910.13
5.2.50.0050.01710.12
5.2.40.0030.02010.11
5.2.30.0050.01910.09
5.2.20.0040.01910.09
5.2.10.0060.01710.06
5.2.00.0040.0219.98
5.1.60.0050.0149.63
5.1.50.0030.0179.62
5.1.40.0050.0139.62
5.1.30.0030.0159.79
5.1.20.0040.0179.80
5.1.10.0050.0149.66
5.1.00.0040.0169.66
5.0.50.0050.0108.90
5.0.40.0030.0138.83
5.0.30.0030.0208.74
5.0.20.0020.0128.72
5.0.10.0020.0148.71
5.0.00.0030.0208.71
4.4.90.0020.0107.98
4.4.80.0010.0127.96
4.4.70.0030.0107.96
4.4.60.0020.0117.96
4.4.50.0020.0117.97
4.4.40.0030.0177.94
4.4.30.0030.0117.97
4.4.20.0010.0128.01
4.4.10.0010.0118.01
4.4.00.0030.0157.96
4.3.110.0010.0107.92
4.3.100.0020.0097.92
4.3.90.0020.0107.90
4.3.80.0050.0117.88
4.3.70.0030.0107.90
4.3.60.0020.0107.90
4.3.50.0030.0107.90
4.3.40.0020.0157.86
4.3.30.0010.0127.23
4.3.20.0010.0127.22
4.3.10.0010.0117.20
4.3.00.0030.0158.96

preferences:
41.37 ms | 400 KiB | 5 Q