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"; //$a[0] = 3; unset($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)
8.3.60.0090.00916.75
8.3.50.0030.01322.17
8.3.40.0090.00618.80
8.3.30.0120.00618.79
8.3.20.0040.00420.20
8.3.10.0000.00823.61
8.3.00.0030.00519.38
8.2.180.0070.00716.50
8.2.170.0090.00622.96
8.2.160.0100.00320.32
8.2.150.0030.00624.18
8.2.140.0000.00724.66
8.2.130.0080.00017.63
8.2.120.0070.00026.35
8.2.110.0060.00322.26
8.2.100.0040.00818.05
8.2.90.0000.00919.17
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0000.00818.04
8.2.50.0090.00018.07
8.2.40.0000.00819.34
8.2.30.0070.00020.64
8.2.20.0030.00717.63
8.2.10.0000.00818.18
8.2.00.0000.00718.13
8.1.280.0110.00725.92
8.1.270.0040.00423.77
8.1.260.0040.00428.09
8.1.250.0050.00228.09
8.1.240.0060.00319.21
8.1.230.0000.01217.77
8.1.220.0000.00717.91
8.1.210.0080.00018.77
8.1.200.0000.00917.23
8.1.190.0050.00317.49
8.1.180.0000.00818.10
8.1.170.0080.00018.50
8.1.160.0000.00722.01
8.1.150.0070.00018.92
8.1.140.0040.00419.56
8.1.130.0000.00817.77
8.1.120.0070.00017.48
8.1.110.0040.00417.51
8.1.100.0040.00417.39
8.1.90.0000.00817.43
8.1.80.0040.00417.44
8.1.70.0000.00717.43
8.1.60.0040.00417.47
8.1.50.0000.00817.41
8.1.40.0070.00417.52
8.1.30.0040.00417.63
8.1.20.0040.00417.42
8.1.10.0000.00817.50
8.1.00.0040.00417.48
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.44
8.0.270.0000.00717.28
8.0.260.0030.00317.26
8.0.250.0080.00016.95
8.0.240.0030.00316.98
8.0.230.0040.00416.94
8.0.220.0000.01116.78
8.0.210.0000.00716.88
8.0.200.0000.00716.96
8.0.190.0000.00816.83
8.0.180.0030.00516.93
8.0.170.0040.00416.80
8.0.160.0000.00816.78
8.0.150.0000.00716.86
8.0.140.0000.00816.79
8.0.130.0040.00413.32
8.0.120.0040.00416.89
8.0.110.0000.00716.90
8.0.100.0000.00816.71
8.0.90.0000.00716.96
8.0.80.0070.01716.84
8.0.70.0070.00016.90
8.0.60.0040.00416.81
8.0.50.0000.00716.96
8.0.30.0080.01317.02
8.0.20.0110.00717.40
8.0.10.0000.00717.07
8.0.00.0110.00816.73
7.4.330.0000.00516.68
7.4.320.0030.00316.58
7.4.300.0000.00616.42
7.4.290.0030.00316.49
7.4.280.0070.00016.59
7.4.270.0030.00316.58
7.4.260.0030.00516.58
7.4.250.0070.00016.39
7.4.240.0060.00216.53
7.4.230.0000.00716.67
7.4.220.0180.00716.64
7.4.210.0060.00916.46
7.4.200.0040.00416.63
7.4.160.0060.01016.62
7.4.150.0030.01517.40
7.4.140.0140.00817.86
7.4.130.0080.00916.57
7.4.120.0110.00616.44
7.4.110.0160.00016.55
7.4.100.0080.00916.68
7.4.90.0080.00816.39
7.4.80.0100.01019.39
7.4.70.0150.00916.52
7.4.60.0100.00616.60
7.4.50.0120.00316.39
7.4.40.0080.00816.65
7.4.30.0120.00416.59
7.4.10.0070.01115.07
7.4.00.0080.00615.05
7.3.330.0020.00213.21
7.3.320.0030.00213.18
7.3.310.0030.00516.23
7.3.300.0040.00416.30
7.3.290.0050.01016.27
7.3.280.0110.00816.25
7.3.270.0080.00817.40
7.3.260.0080.00816.56
7.3.250.0060.01116.34
7.3.240.0050.01416.49
7.3.230.0130.00316.54
7.3.210.0150.00816.17
7.3.200.0080.01216.32
7.3.190.0080.00816.66
7.3.180.0050.01116.29
7.3.170.0120.00616.50
7.3.160.0040.01616.26
7.3.130.0110.00314.64
7.3.120.0090.00914.66
7.3.110.0030.01615.14
7.3.100.0060.00814.47
7.3.90.0100.00314.87
7.3.80.0100.01014.82
7.3.70.0000.01414.80
7.3.60.0080.00814.79
7.3.50.0030.00714.94
7.3.40.0070.00714.58
7.3.30.0090.00014.54
7.3.20.0070.00716.62
7.3.10.0130.00616.61
7.3.00.0110.00416.58
7.2.330.0140.00316.70
7.2.320.0030.01516.30
7.2.310.0120.00416.69
7.2.300.0080.00816.58
7.2.290.0030.01316.70
7.2.260.0060.00915.16
7.2.250.0140.00414.79
7.2.240.0100.00614.98
7.2.230.0080.00814.95
7.2.220.0000.01414.69
7.2.210.0060.01014.98
7.2.200.0040.01414.99
7.2.190.0030.01314.78
7.2.180.0000.01615.12
7.2.170.0060.01015.17
7.2.160.0110.00314.90
7.2.150.0100.00716.83
7.2.140.0000.02016.88
7.2.130.0070.00716.96
7.2.120.0070.01416.66
7.2.110.0030.01116.89
7.2.100.0150.00416.93
7.2.90.0080.00816.88
7.2.80.0110.00416.85
7.2.70.0120.00317.06
7.2.60.0080.00616.74
7.2.50.0070.01016.91
7.2.40.0030.01217.00
7.2.30.0070.00317.04
7.2.20.0000.01516.82
7.2.10.0030.00916.73
7.2.00.0020.01017.94
7.1.330.0030.01015.84
7.1.320.0060.00315.76
7.1.310.0090.00615.55
7.1.300.0100.00615.83
7.1.290.0160.00015.97
7.1.280.0100.00015.86
7.1.270.0080.00315.81
7.1.260.0060.00615.75
7.1.250.0030.00615.53
7.1.240.0150.00415.76
7.1.230.0060.00916.00
7.1.220.0030.01315.87
7.1.210.0000.01415.79
7.1.200.0060.00815.74
7.1.190.0000.01415.54
7.1.180.0070.00715.79
7.1.170.0060.00615.79
7.1.160.0070.00715.58
7.1.150.0040.00715.48
7.1.140.0070.00715.68
7.1.130.0120.00015.88
7.1.120.0030.01215.90
7.1.110.0030.01015.68
7.1.100.0050.00916.94
7.1.90.0120.00315.57
7.1.80.0060.00615.91
7.1.70.0050.00616.46
7.1.60.0080.01017.56
7.1.50.0090.00916.42
7.1.40.0070.00715.79
7.1.30.0000.00915.76
7.1.20.0000.01415.79
7.1.10.0030.00715.96
7.1.00.0050.04119.06
7.0.330.0030.01315.45
7.0.320.0080.00415.27
7.0.310.0110.00015.24
7.0.300.0100.00015.50
7.0.290.0030.01015.38
7.0.280.0030.00515.22
7.0.270.0060.00315.20
7.0.260.0030.01215.50
7.0.250.0030.01015.55
7.0.240.0000.01315.23
7.0.230.0030.01115.33
7.0.220.0060.00615.61
7.0.210.0070.00715.40
7.0.200.0040.00815.99
7.0.190.0000.01315.61
7.0.180.0000.01315.56
7.0.170.0040.00415.59
7.0.160.0030.01015.49
7.0.150.0070.01015.55
7.0.140.0060.01015.50
7.0.130.0030.00915.34
7.0.120.0000.01315.21
7.0.110.0090.00015.56
7.0.100.0050.04317.77
7.0.90.0080.04017.67
7.0.80.0110.04117.74
7.0.70.0070.04317.61
7.0.60.0070.04217.76
7.0.50.0080.04617.76
7.0.40.0090.04116.93
7.0.30.0070.03516.78
7.0.20.0100.04116.66
7.0.10.0100.03316.76
7.0.00.0070.03016.63
5.6.400.0090.00314.16
5.6.390.0000.01114.36
5.6.380.0040.01114.57
5.6.370.0030.01314.56
5.6.360.0060.00614.23
5.6.350.0090.00414.41
5.6.340.0000.01614.24
5.6.330.0070.00714.61
5.6.320.0040.00714.45
5.6.310.0000.01014.21
5.6.300.0110.00614.27
5.6.290.0070.00314.24
5.6.280.0060.03517.84
5.6.270.0060.00614.12
5.6.260.0070.00714.69
5.6.250.0080.02617.29
5.6.240.0070.03717.43
5.6.230.0030.02617.64
5.6.220.0050.04117.46
5.6.210.0050.03517.46
5.6.200.0020.04717.45
5.6.190.0070.05217.67
5.6.180.0030.03517.75
5.6.170.0100.04217.69
5.6.160.0080.04617.67
5.6.150.0150.02517.76
5.6.140.0100.04317.71
5.6.130.0060.02717.69
5.6.120.0080.05217.68
5.6.110.0050.03617.76
5.6.100.0090.04317.60
5.6.90.0050.04517.69
5.6.80.0050.03617.28
5.6.70.0140.03717.32
5.6.60.0050.04117.36
5.6.50.0080.04117.25
5.6.40.0070.04317.14
5.6.30.0100.04517.28
5.6.20.0080.04117.34
5.6.10.0050.04617.32
5.6.00.0120.02117.31
5.5.380.0110.03217.37
5.5.370.0090.03417.18
5.5.360.0070.04717.31
5.5.350.0110.02517.19
5.5.340.0060.02517.55
5.5.330.0080.03217.70
5.5.320.0020.04717.51
5.5.310.0070.04217.46
5.5.300.0070.04117.39
5.5.290.0130.02017.52
5.5.280.0030.03017.48
5.5.270.0070.03017.38
5.5.260.0060.04517.63
5.5.250.0050.05017.32
5.5.240.0050.03617.23
5.5.230.0070.04217.32
5.5.220.0030.03017.07
5.5.210.0120.03417.20
5.5.200.0020.03017.16
5.5.190.0090.03917.24
5.5.180.0080.04017.10
5.5.170.0070.01113.96
5.5.160.0080.04317.09
5.5.150.0080.03717.14
5.5.140.0150.03317.01
5.5.130.0080.03817.29
5.5.120.0080.02617.00
5.5.110.0080.02517.12
5.5.100.0050.02717.23
5.5.90.0070.03717.16
5.5.80.0070.04216.97
5.5.70.0100.03517.15
5.5.60.0060.03017.04
5.5.50.0080.03016.88
5.5.40.0080.04316.97
5.5.30.0070.03017.00
5.5.20.0070.02917.13
5.5.10.0080.04217.08
5.5.00.0060.03117.09

preferences:
59.29 ms | 401 KiB | 5 Q