3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); $b = &$a; foreach($a as $i => $v) { echo "$v\n"; $a[0] = 'qqq'; unset($a[1]); } var_dump($a); var_dump($b);

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)
8.3.60.0060.01516.61
8.3.50.0150.00018.02
8.3.40.0120.00318.70
8.3.30.0120.00618.70
8.3.20.0070.00020.21
8.3.10.0050.00323.65
8.3.00.0120.00319.26
8.2.180.0120.00616.50
8.2.170.0110.00422.96
8.2.160.0030.01020.53
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00517.50
8.2.120.0080.00026.35
8.2.110.0060.00322.16
8.2.100.0060.00617.97
8.2.90.0050.00518.09
8.2.80.0080.00019.32
8.2.70.0040.00417.63
8.2.60.0050.00318.05
8.2.50.0040.00418.07
8.2.40.0000.00819.34
8.2.30.0070.00020.54
8.2.20.0000.00917.81
8.2.10.0050.00318.05
8.2.00.0070.00018.13
8.1.280.0110.00725.92
8.1.270.0030.00623.96
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0050.00323.93
8.1.230.0040.00820.88
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00817.58
8.1.180.0040.00418.10
8.1.170.0050.00318.51
8.1.160.0070.00022.00
8.1.150.0040.00418.82
8.1.140.0040.00419.62
8.1.130.0070.00017.63
8.1.120.0030.00317.36
8.1.110.0000.00717.45
8.1.100.0040.00417.53
8.1.90.0040.00417.48
8.1.80.0030.00517.39
8.1.70.0030.00317.48
8.1.60.0020.00517.61
8.1.50.0000.00817.48
8.1.40.0030.01017.39
8.1.30.0090.00017.60
8.1.20.0040.00417.62
8.1.10.0080.00017.57
8.1.00.0000.00817.57
8.0.300.0040.00420.16
8.0.290.0040.00416.63
8.0.280.0000.00718.49
8.0.270.0030.00517.26
8.0.260.0030.00317.26
8.0.250.0030.00316.98
8.0.240.0060.00016.91
8.0.230.0000.00916.91
8.0.220.0000.00916.87
8.0.210.0000.00716.91
8.0.200.0030.00316.97
8.0.190.0040.00416.99
8.0.180.0030.00516.93
8.0.170.0040.00416.91
8.0.160.0040.00416.92
8.0.150.0070.00016.79
8.0.140.0000.00816.87
8.0.130.0000.00713.32
8.0.120.0040.00416.83
8.0.110.0050.00316.89
8.0.100.0040.00416.75
8.0.90.0070.00016.89
8.0.80.0060.01516.93
8.0.70.0000.00816.93
8.0.60.0050.00216.76
8.0.50.0030.00517.01
8.0.30.0110.00717.00
8.0.20.0130.00517.40
8.0.10.0050.00316.89
8.0.00.0070.01016.84
7.4.330.0050.00016.76
7.4.320.0030.00316.37
7.4.300.0000.00716.51
7.4.290.0030.00516.57
7.4.280.0040.00416.61
7.4.270.0030.00316.66
7.4.260.0070.00016.60
7.4.250.0000.00816.60
7.4.240.0020.00516.46
7.4.230.0070.00016.41
7.4.220.0100.01616.60
7.4.210.0030.01016.70
7.4.200.0040.00416.41
7.4.160.0100.00616.35
7.4.150.0130.00917.40
7.4.140.0150.00917.86
7.4.130.0070.01116.47
7.4.120.0150.00916.58
7.4.110.0070.01016.48
7.4.100.0140.00316.65
7.4.90.0060.01216.31
7.4.80.0060.01319.39
7.4.70.0140.00416.52
7.4.60.0080.00816.36
7.4.50.0060.01216.55
7.4.40.0090.00616.36
7.4.30.0070.01016.52
7.4.00.0070.00814.90
7.3.330.0000.00513.20
7.3.320.0020.00213.32
7.3.310.0030.00316.32
7.3.300.0050.00216.32
7.3.290.0070.00916.32
7.3.280.0060.01216.36
7.3.270.0090.00917.40
7.3.260.0130.00316.67
7.3.250.0080.01016.44
7.3.240.0060.01316.46
7.3.230.0070.01016.55
7.3.210.0100.00616.49
7.3.200.0120.00616.28
7.3.190.0120.00416.45
7.3.180.0080.00816.57
7.3.170.0040.01216.49
7.3.160.0030.01416.36
7.2.330.0120.00916.59
7.2.320.0040.01516.66
7.2.310.0120.00616.52
7.2.300.0060.01216.63
7.2.290.0090.00916.39
7.2.110.0190.00816.25
7.2.100.0120.01216.41
7.2.90.0220.00616.43
7.2.80.0200.01016.87
7.2.70.0140.01716.54
7.2.60.0150.00816.85
7.2.50.0230.00916.91
7.2.40.0160.01216.80
7.2.30.0150.01516.87
7.2.20.0210.00816.99
7.2.10.0110.01616.93
7.2.00.0120.00518.28
7.1.230.0130.01315.81
7.1.220.0190.00615.88
7.1.210.0090.01415.79
7.1.200.0130.00715.81
7.1.190.0180.00915.75
7.1.180.0190.00815.76
7.1.170.0130.01315.80
7.1.160.0120.01015.98
7.1.150.0150.00715.94
7.1.140.0130.00915.95
7.1.130.0100.01515.95
7.1.120.0190.00615.86
7.1.110.0170.00815.95
7.1.100.0090.00917.11
7.1.90.0120.01215.88
7.1.80.0190.00515.61
7.1.70.0120.00516.57
7.1.60.0140.01317.67
7.1.50.0130.01316.50
7.1.40.0040.01415.90
7.1.30.0200.01015.89
7.1.20.0180.01015.88
7.1.10.0140.01415.96
7.1.00.0090.04218.91
7.0.310.0230.00415.30
7.0.300.0200.00315.58
7.0.290.0150.00615.49
7.0.280.0120.00815.56
7.0.270.0100.01515.28
7.0.260.0150.00715.51
7.0.250.0180.00615.20
7.0.240.0220.00415.47
7.0.230.0130.00915.45
7.0.220.0150.00915.32
7.0.210.0180.00715.48
7.0.200.0660.00715.03
7.0.190.0110.01115.50
7.0.180.0180.00815.56
7.0.170.0110.00815.55
7.0.160.0180.00315.43
7.0.150.0180.00815.51
7.0.140.0160.00715.37
7.0.130.0160.00615.32
7.0.120.0140.00915.47
7.0.110.0050.01615.42
7.0.100.0090.04817.67
7.0.90.0200.02417.62
7.0.80.0160.04017.65
7.0.70.0200.04017.64
7.0.60.0250.03617.65
7.0.50.0290.03517.77
7.0.40.0170.04316.66
7.0.30.0150.04416.77
7.0.20.0230.05016.67
7.0.10.0200.03716.69
7.0.00.0190.03416.78
5.6.380.0140.01014.37
5.6.370.0140.00714.52
5.6.360.0120.01214.57
5.6.350.0180.00614.73
5.6.340.0210.00614.47
5.6.330.0140.01114.76
5.6.320.0240.00314.55
5.6.310.0210.00614.63
5.6.300.0140.01114.14
5.6.290.0130.01314.38
5.6.280.0170.00814.46
5.6.270.0180.00714.43
5.6.260.0130.00914.18
5.6.250.0130.04217.48
5.6.240.0110.04517.72
5.6.230.0110.04317.64
5.6.220.0110.04017.50
5.6.210.0100.04417.63
5.6.200.0100.03717.59
5.6.190.0180.05117.57
5.6.180.0200.03717.78
5.6.170.0240.04517.65
5.6.160.0140.03417.71
5.6.150.0270.03717.77
5.6.140.0200.04317.65
5.6.130.0160.03717.71
5.6.120.0120.03717.80
5.6.110.0190.03117.85
5.6.100.0080.04317.86
5.6.90.0120.04717.80
5.6.80.0060.04417.17
5.6.70.0060.04917.23
5.6.60.0110.04317.31
5.6.50.0130.02317.36
5.6.40.0090.03517.25
5.6.30.0120.04317.43
5.6.20.0110.04217.25
5.6.10.0180.02717.38
5.6.00.0130.04317.34
5.5.380.0090.04115.81
5.5.370.0060.02615.86
5.5.360.0130.04115.62
5.5.350.0130.04315.87
5.5.340.0150.03716.15
5.5.330.0050.04615.92
5.5.320.0140.03715.94
5.5.310.0100.04516.00
5.5.300.0090.04616.13
5.5.290.0130.04216.09
5.5.280.0100.04315.95
5.5.270.0050.04515.99
5.5.260.0130.03616.07
5.5.250.0100.03415.95
5.5.240.0030.04515.60
5.5.230.0120.03915.79
5.5.220.0110.04115.58
5.5.210.0040.03915.63
5.5.200.0090.03415.64
5.5.190.0120.04215.70
5.5.180.0100.03815.53
5.5.170.0120.01014.37
5.5.160.0110.03815.44
5.5.150.0110.02515.52
5.5.140.0090.04315.57
5.5.130.0040.03415.39
5.5.120.0080.04115.50
5.5.110.0030.04315.65
5.5.100.0130.03815.52
5.5.90.0070.04115.71
5.5.80.0120.03815.62
5.5.70.0120.04215.58
5.5.60.0060.04015.51
5.5.50.0120.03415.43
5.5.40.0160.03315.60
5.5.30.0070.02515.60
5.5.20.0070.04515.54
5.5.10.0120.03015.41
5.5.00.0140.03815.57

preferences:
46.63 ms | 400 KiB | 5 Q