3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = range(3, 9); foreach ($a as $b) { switch($b) { case 3: $b = 7; case 7: $b = 3; default: // do nothing } } echo implode('-', $a) . PHP_EOL; $a = range(3, 9); foreach ($a as $key => $b) { switch($b) { case 3: $a[$key] = 7; case 7: $a[$key] = 3; default: // do nothing } } echo implode('-', $a) . PHP_EOL; $a = range(3, 9); foreach ($a as &$b) { switch($b) { case 3: $b = 7; case 7: $b = 3; default: // do nothing } } echo implode('-', $a) . PHP_EOL;

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)
8.3.60.0170.00016.38
8.3.50.0110.01121.15
8.3.40.0030.01218.55
8.3.30.0070.00718.84
8.3.20.0000.00720.33
8.3.10.0050.00323.61
8.3.00.0120.00623.50
8.2.180.0110.00716.37
8.2.170.0040.01122.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00419.83
8.2.120.0000.00726.35
8.2.110.0060.00321.09
8.2.100.0080.00418.16
8.2.90.0050.00319.17
8.2.80.0000.00818.05
8.2.70.0030.00517.75
8.2.60.0030.00617.93
8.2.50.0050.00318.07
8.2.40.0060.00322.02
8.2.30.0070.00019.51
8.2.20.0000.00717.68
8.2.10.0050.00218.20
8.2.00.0030.00518.11
8.1.280.0090.00925.92
8.1.270.0090.00023.97
8.1.260.0000.00728.09
8.1.250.0030.00628.09
8.1.240.0040.00423.84
8.1.230.0040.00819.15
8.1.220.0050.00317.88
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0000.00818.71
8.1.160.0040.00420.66
8.1.150.0040.00418.82
8.1.140.0050.00319.60
8.1.130.0000.00717.73
8.1.120.0000.00717.46
8.1.110.0000.00917.50
8.1.100.0000.00717.45
8.1.90.0000.00717.52
8.1.80.0030.00517.53
8.1.70.0050.00517.38
8.1.60.0040.00417.62
8.1.50.0050.00317.45
8.1.40.0080.00017.46
8.1.30.0040.00417.61
8.1.20.0040.00417.68
8.1.10.0030.00617.63
8.1.00.0060.00317.39
8.0.300.0050.00518.77
8.0.290.0080.00016.58
8.0.280.0030.00318.40
8.0.270.0070.00017.32
8.0.260.0000.00717.27
8.0.250.0000.00716.98
8.0.240.0000.00616.86
8.0.230.0030.00317.02
8.0.220.0000.00716.94
8.0.210.0030.00316.91
8.0.200.0000.00617.01
8.0.190.0000.00816.86
8.0.180.0070.00316.85
8.0.170.0030.00616.96
8.0.160.0000.00816.82
8.0.150.0000.00716.84
8.0.140.0000.00716.88
8.0.130.0000.00713.35
8.0.120.0080.00016.94
8.0.110.0040.00416.91
8.0.100.0070.00016.97
8.0.90.0050.00316.86
8.0.80.0090.00616.92
8.0.70.0030.00516.78
8.0.60.0000.00716.74
8.0.50.0040.00416.80
8.0.30.0090.00817.15
8.0.20.0140.00717.40
8.0.10.0000.00817.02
8.0.00.0150.00616.90
7.4.330.0000.00516.78
7.4.320.0070.00016.66
7.4.300.0030.00316.57
7.4.290.0030.00516.63
7.4.280.0040.00416.64
7.4.270.0030.00316.42
7.4.260.0000.00716.53
7.4.250.0070.00016.62
7.4.240.0000.00716.55
7.4.230.0050.00316.63
7.4.220.0070.01116.47
7.4.210.0060.00916.55
7.4.200.0030.00316.70
7.4.160.0090.00916.70
7.4.150.0180.00017.40
7.4.140.0110.00817.86
7.4.130.0120.00716.52
7.4.120.0090.00816.49
7.4.110.0100.00716.52
7.4.100.0040.01516.44
7.4.90.0070.01016.63
7.4.80.0120.00619.39
7.4.70.0130.01016.54
7.4.60.0060.01016.64
7.4.50.0060.01016.42
7.4.40.0110.00616.37
7.4.30.0110.00816.44
7.4.10.0070.01316.52
7.4.00.0070.01115.72
7.3.330.0050.00013.07
7.3.320.0050.00013.25
7.3.310.0030.00316.23
7.3.300.0040.00416.25
7.3.290.0030.00316.33
7.3.280.0110.00816.35
7.3.270.0140.00617.40
7.3.260.0070.01016.30
7.3.250.0120.00816.53
7.3.240.0150.00316.37
7.3.230.0060.01216.39
7.3.210.0100.00716.68
7.3.200.0070.01419.39
7.3.190.0060.01316.46
7.3.180.0030.01316.29
7.3.170.0060.00916.46
7.3.160.0060.00916.34
7.3.130.0130.00016.23
7.3.120.0060.01216.34
7.3.110.0070.00816.30
7.3.100.0070.00416.55
7.3.90.0030.01316.63
7.3.80.0000.01016.27
7.3.70.0060.00316.45
7.3.60.0110.00816.53
7.3.50.0110.00416.34
7.3.40.0000.01016.26
7.3.30.0070.00716.43
7.3.20.0040.01118.00
7.3.10.0080.00818.24
7.3.00.0050.00517.36
7.2.330.0130.00716.46
7.2.320.0030.01416.68
7.2.310.0110.01116.73
7.2.300.0110.00716.50
7.2.290.0070.01016.75
7.2.260.0070.01416.63
7.2.250.0030.01716.53
7.2.240.0030.01316.70
7.2.230.0000.01516.38
7.2.220.0060.00916.64
7.2.210.0040.00816.35
7.2.200.0060.00616.55
7.2.190.0070.01016.60
7.2.180.0070.01016.75
7.2.170.0000.01216.55
7.2.160.0000.01716.52
7.2.150.0000.01018.46
7.2.140.0040.01418.51
7.2.130.0050.00717.71
7.2.120.0040.00817.70
7.2.110.0030.01017.74
7.2.100.0110.00217.75
7.2.90.0030.00917.67
7.2.80.0030.00917.66
7.2.70.0030.00817.67
7.2.60.0100.00717.42
7.2.50.0080.00617.51
7.2.40.0060.00517.74
7.2.30.0040.00917.72
7.2.20.0020.00917.71
7.2.10.0080.00817.54
7.2.00.0030.01018.28
7.1.330.0070.00717.32
7.1.320.0070.00717.50
7.1.310.0030.00617.50
7.1.300.0070.01117.21
7.1.290.0030.00717.30
7.1.280.0060.00617.30
7.1.270.0000.01217.30
7.1.260.0070.00417.38
7.1.250.0030.00816.64
7.1.240.0090.00416.66
7.1.230.0030.00916.41
7.1.220.0050.00816.57
7.1.210.0050.00916.62
7.1.200.0060.00316.17
7.1.190.0050.00616.67
7.1.180.0100.00616.43
7.1.170.0020.00816.55
7.1.160.0050.00816.53
7.1.150.0050.00716.45
7.1.140.0040.01016.63
7.1.130.0020.01516.60
7.1.120.0050.00716.45
7.1.110.0090.00716.56
7.1.100.0040.00917.20
7.1.90.0070.00616.59
7.1.80.0080.00616.42
7.1.70.0030.00916.81
7.1.60.0100.00717.20
7.1.50.0060.00916.55
7.1.40.0070.00516.68
7.1.30.0050.00916.41
7.1.20.0080.00216.63
7.1.10.0050.00816.58
7.1.00.0070.02918.42
7.0.330.0080.00316.18
7.0.320.0120.00216.12
7.0.310.0050.00416.13
7.0.300.0040.00616.04
7.0.290.0040.00616.13
7.0.280.0040.00416.33
7.0.270.0050.00816.08
7.0.260.0000.01416.12
7.0.250.0040.00816.39
7.0.240.0030.00816.21
7.0.230.0030.00916.24
7.0.220.0030.00816.19
7.0.210.0020.00916.30
7.0.200.0130.00815.78
7.0.190.0060.00516.29
7.0.180.0060.00616.23
7.0.170.0080.00616.16
7.0.160.0030.00816.29
7.0.150.0020.01016.21
7.0.140.0030.00816.04
7.0.130.0060.00516.38
7.0.120.0050.00816.20
7.0.110.0040.00616.22
7.0.100.0040.00816.16
7.0.90.0090.00416.30
7.0.80.0020.01016.27
7.0.70.0050.01016.31
7.0.60.0060.03118.01
7.0.50.0050.02116.69
7.0.40.0040.02016.07
7.0.30.0090.02316.18
7.0.20.0100.01916.19
7.0.10.0070.03316.09
7.0.00.0070.03216.13
5.6.400.0140.00016.09
5.6.390.0000.01115.96
5.6.380.0070.00915.01
5.6.370.0030.00915.33
5.6.360.0070.00315.16
5.6.350.0040.00615.13
5.6.340.0060.00714.92
5.6.330.0070.00715.41
5.6.320.0120.00515.20
5.6.310.0090.00815.14
5.6.300.0080.00415.48
5.6.290.0040.00915.06
5.6.280.0070.01716.97
5.6.270.0050.00815.36
5.6.260.0050.00515.19
5.6.250.0050.00515.35
5.6.240.0050.00515.24
5.6.230.0050.00915.18
5.6.220.0060.00615.21
5.6.210.0090.02816.83
5.6.200.0090.02816.17
5.6.190.0060.01916.91
5.6.180.0190.01816.78
5.6.170.0100.03416.81
5.6.160.0090.03017.00
5.6.150.0070.03016.12
5.6.140.0040.02616.24
5.6.130.0030.02516.13
5.6.120.0040.03417.28
5.6.110.0110.02217.05
5.6.100.0110.03017.15
5.6.90.0040.03317.17
5.6.80.0020.02216.91
5.6.70.0030.00815.00
5.6.60.0050.00915.35
5.6.50.0050.00614.91
5.6.40.0070.00715.02
5.6.30.0050.00815.19
5.6.20.0070.00215.02
5.6.10.0040.01115.15
5.6.00.0000.01515.06
5.5.380.0020.00813.36
5.5.370.0030.00513.52
5.5.360.0050.00513.22
5.5.350.0150.02315.82
5.5.340.0030.03215.07
5.5.330.0020.02415.85
5.5.320.0290.02515.60
5.5.310.0120.01915.58
5.5.300.0040.02114.90
5.5.290.0060.03315.11
5.5.280.0040.01915.89
5.5.270.0060.02916.02
5.5.260.0040.02716.01
5.5.250.0040.02615.76
5.5.240.0080.02515.62
5.5.230.0030.00813.43
5.5.220.0060.00813.29
5.5.210.0000.01213.63
5.5.200.0010.00913.37
5.5.190.0030.00813.50
5.5.180.0040.00613.05
5.5.170.0060.00613.47
5.5.160.0060.00513.53
5.5.150.0030.01113.39
5.5.140.0060.00713.55
5.5.130.0030.01013.17
5.5.120.0050.00513.35
5.5.110.0020.00913.51
5.5.100.0020.00913.10
5.5.90.0090.00313.55
5.5.80.0020.00913.34
5.5.70.0030.00613.42
5.5.60.0020.00913.48
5.5.50.0030.00813.36
5.5.40.0070.00513.21
5.5.30.0100.00113.27
5.5.20.0090.00313.47
5.5.10.0010.00713.37
5.5.00.0070.00313.44

preferences:
43.87 ms | 401 KiB | 5 Q