3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); $b = &$a; foreach($a as $v) { echo "$v\n"; unset($a[1]); } var_dump($a, $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)
8.3.60.0040.01116.25
8.3.50.0060.00917.81
8.3.40.0040.01118.54
8.3.30.0110.00718.71
8.3.20.0070.00020.30
8.3.10.0050.00323.60
8.3.00.0000.00819.38
8.2.180.0140.00418.29
8.2.170.0070.00722.96
8.2.160.0100.00320.35
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0080.00017.63
8.2.120.0040.00426.35
8.2.110.0100.00021.09
8.2.100.0000.01217.72
8.2.90.0030.00718.20
8.2.80.0030.00618.22
8.2.70.0030.00517.80
8.2.60.0080.00018.05
8.2.50.0000.00818.10
8.2.40.0040.00420.65
8.2.30.0000.00820.61
8.2.20.0040.00417.66
8.2.10.0040.00417.93
8.2.00.0050.00217.92
8.1.280.0090.00625.92
8.1.270.0030.00623.96
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0060.00322.46
8.1.230.0070.00320.89
8.1.220.0040.00417.74
8.1.210.0000.00918.79
8.1.200.0030.00617.35
8.1.190.0050.00317.22
8.1.180.0080.00018.10
8.1.170.0040.00418.71
8.1.160.0070.00022.17
8.1.150.0000.00718.84
8.1.140.0000.00819.51
8.1.130.0040.00417.74
8.1.120.0000.00717.42
8.1.110.0070.00017.41
8.1.100.0040.00417.34
8.1.90.0000.00817.44
8.1.80.0030.00317.44
8.1.70.0000.00717.37
8.1.60.0030.00617.43
8.1.50.0030.00617.51
8.1.40.0000.00817.40
8.1.30.0060.00317.57
8.1.20.0040.00417.48
8.1.10.0040.00417.42
8.1.00.0000.00817.46
8.0.300.0070.00219.79
8.0.290.0040.00416.63
8.0.280.0060.00318.38
8.0.270.0030.00317.18
8.0.260.0000.00617.19
8.0.250.0030.00316.95
8.0.240.0000.00816.79
8.0.230.0000.00716.93
8.0.220.0070.00016.85
8.0.210.0000.00716.94
8.0.200.0000.00616.90
8.0.190.0040.00416.93
8.0.180.0000.00716.96
8.0.170.0000.00816.93
8.0.160.0040.00416.86
8.0.150.0030.00516.85
8.0.140.0070.00016.74
8.0.130.0050.00013.27
8.0.120.0060.00316.87
8.0.110.0070.00016.81
8.0.100.0070.00016.95
8.0.90.0050.00216.73
8.0.80.0080.00816.91
8.0.70.0040.00416.91
8.0.60.0030.00516.93
8.0.50.0050.00316.86
8.0.30.0110.00917.04
8.0.20.0120.00917.40
8.0.10.0040.00416.79
8.0.00.0070.01016.80
7.4.330.0050.00016.79
7.4.320.0000.00616.64
7.4.300.0000.00616.52
7.4.290.0000.00716.51
7.4.280.0040.00416.59
7.4.270.0030.00316.52
7.4.260.0040.00416.58
7.4.250.0070.00016.60
7.4.240.0060.00216.59
7.4.230.0030.00316.60
7.4.220.0070.01116.54
7.4.210.0090.00616.54
7.4.200.0000.00716.47
7.4.160.0060.00916.67
7.4.150.0030.00717.40
7.4.140.0070.01617.86
7.4.130.0060.01116.48
7.4.120.0070.01216.46
7.4.110.0110.00616.54
7.4.100.0160.00616.65
7.4.90.0140.00316.60
7.4.80.0130.00619.39
7.4.70.0080.00916.60
7.4.60.0160.00716.34
7.4.50.0040.01116.48
7.4.40.0100.01316.37
7.4.30.0070.01016.25
7.4.10.0110.00715.08
7.4.00.0090.00914.95
7.3.330.0020.00213.05
7.3.320.0000.00513.16
7.3.310.0000.00716.19
7.3.300.0000.00616.27
7.3.290.0090.00516.25
7.3.280.0050.01116.27
7.3.270.0060.01217.40
7.3.260.0100.00716.54
7.3.250.0100.00716.22
7.3.240.0110.01016.38
7.3.230.0040.01316.39
7.3.210.0130.00616.49
7.3.200.0110.01216.18
7.3.190.0060.01016.28
7.3.180.0040.01116.52
7.3.170.0110.00616.32
7.3.160.0130.00316.30
7.3.130.0090.00915.07
7.3.120.0050.01114.89
7.3.110.0080.01014.55
7.3.100.0080.00914.99
7.3.90.0050.00814.80
7.3.80.0050.00614.86
7.3.70.0060.00914.93
7.3.60.0050.00614.74
7.3.50.0070.00514.59
7.3.40.0040.00914.66
7.3.30.0040.00814.57
7.3.20.0050.00916.62
7.3.10.0090.00416.82
7.3.00.0070.00816.31
7.2.330.0060.01216.64
7.2.320.0060.01416.67
7.2.310.0160.00016.71
7.2.300.0080.00816.59
7.2.290.0000.01716.58
7.2.260.0080.00915.27
7.2.250.0090.00814.88
7.2.240.0090.00514.77
7.2.230.0080.00814.84
7.2.220.0020.01314.61
7.2.210.0060.00814.81
7.2.200.0050.00714.93
7.2.190.0040.00715.07
7.2.180.0050.01015.00
7.2.170.0040.00815.04
7.2.160.0040.01114.81
7.2.150.0070.01016.91
7.2.140.0030.01116.89
7.2.130.0060.00616.65
7.2.120.0050.01116.86
7.2.110.0110.00216.73
7.2.100.0070.00816.87
7.2.90.0030.01016.57
7.2.80.0050.00816.78
7.2.70.0040.00816.92
7.2.60.0060.01016.94
7.2.50.0060.01016.83
7.2.40.0030.01016.76
7.2.30.0070.00716.80
7.2.20.0030.01116.85
7.2.10.0030.01016.95
7.2.00.0080.00717.53
7.1.330.0030.01215.68
7.1.320.0040.00915.79
7.1.310.0070.00415.82
7.1.300.0050.01015.77
7.1.290.0060.00615.76
7.1.280.0080.00515.74
7.1.270.0020.01315.64
7.1.260.0060.00415.92
7.1.250.0030.01015.76
7.1.240.0060.00815.82
7.1.230.0050.00815.80
7.1.220.0020.01215.79
7.1.210.0050.00515.69
7.1.200.0120.00215.75
7.1.190.0020.01215.77
7.1.180.0030.01015.82
7.1.170.0050.00915.81
7.1.160.0020.00815.75
7.1.150.0080.00515.68
7.1.140.0070.00515.85
7.1.130.0030.01015.88
7.1.120.0130.00215.57
7.1.110.0070.00615.79
7.1.100.0070.00616.56
7.1.90.0030.01015.62
7.1.80.0100.00315.81
7.1.70.0040.00916.35
7.1.60.0040.01117.01
7.1.50.0050.00916.20
7.1.40.0060.00715.58
7.1.30.0050.00815.89
7.1.20.0080.00715.66
7.1.10.0050.01015.79
7.1.00.0030.03117.96
7.0.330.0050.00715.41
7.0.320.0020.01315.29
7.0.310.0020.01215.21
7.0.300.0050.00715.36
7.0.290.0070.00715.51
7.0.280.0050.00815.46
7.0.270.0030.00815.29
7.0.260.0020.01215.38
7.0.250.0040.00915.24
7.0.240.0060.00815.33
7.0.230.0060.00715.38
7.0.220.0060.00815.46
7.0.210.0080.00615.37
7.0.200.0040.00815.84
7.0.190.0030.00915.39
7.0.180.0050.01015.46
7.0.170.0070.00215.31
7.0.160.0070.00515.33
7.0.150.0020.01015.44
7.0.140.0040.00815.24
7.0.130.0050.00915.33
7.0.120.0020.01115.26
7.0.110.0030.01215.32
7.0.100.0050.00915.38
7.0.90.0040.01115.37
7.0.80.0050.00615.44
7.0.70.0060.00715.33
7.0.60.0070.03216.77
7.0.50.0060.01616.25
7.0.40.0040.01915.67
7.0.30.0150.02415.67
7.0.20.0130.01415.57
7.0.10.0060.02315.54
7.0.00.0060.03515.57
5.6.400.0130.00214.46
5.6.390.0030.00914.51
5.6.380.0030.01114.02
5.6.370.0070.00414.47
5.6.360.0050.00813.88
5.6.350.0030.00914.44
5.6.340.0080.00814.36
5.6.330.0070.00714.20
5.6.320.0050.00914.34
5.6.310.0040.01114.05
5.6.300.0030.00814.14
5.6.290.0050.00614.29
5.6.280.0060.02516.58
5.6.270.0050.01014.42
5.6.260.0020.01214.41
5.6.250.0070.00714.21
5.6.240.0050.00914.34
5.6.230.0060.00814.29
5.6.220.0060.00814.24
5.6.210.0070.02116.35
5.6.200.0040.01815.52
5.6.190.0040.03016.23
5.6.180.0200.03016.33
5.6.170.0120.03216.22
5.6.160.0070.02716.12
5.6.150.0070.02715.49
5.6.140.0080.03015.58
5.6.130.0070.01815.56
5.6.120.0070.03116.51
5.6.110.0080.03316.51
5.6.100.0080.03316.48
5.6.90.0080.03016.54
5.6.80.0090.02916.09
5.6.70.0040.00714.20
5.6.60.0050.00714.00
5.6.50.0020.01014.23
5.6.40.0050.00814.30
5.6.30.0050.00914.17
5.6.20.0020.00914.16
5.6.10.0080.00614.17
5.6.00.0020.00913.93
5.5.380.0030.00814.46
5.5.370.0050.00914.25
5.5.360.0050.00914.28
5.5.350.0110.02916.30
5.5.340.0030.02415.39
5.5.330.0060.03216.35
5.5.320.0050.02116.39
5.5.310.0090.02016.29
5.5.300.0080.02615.54
5.5.290.0080.01915.43
5.5.280.0040.02716.33
5.5.270.0060.02316.28
5.5.260.0060.02316.32
5.5.250.0060.02316.35
5.5.240.1420.02316.23
5.5.230.0060.00914.23
5.5.220.0050.00714.30
5.5.210.0050.00714.19
5.5.200.0030.00614.23
5.5.190.0100.00314.16
5.5.180.0050.01014.22
5.5.170.0070.00713.86
5.5.160.0090.00714.29
5.5.150.0060.00714.21
5.5.140.0050.00914.13
5.5.130.0040.00614.09
5.5.120.0040.01114.24
5.5.110.0050.01014.13
5.5.100.0100.00613.98
5.5.90.0060.00613.97
5.5.80.0040.00914.34
5.5.70.0060.01014.21
5.5.60.0090.00313.99
5.5.50.0020.01114.10
5.5.40.0070.00414.17
5.5.30.0030.01214.15
5.5.20.0030.00914.25
5.5.10.0030.01014.19
5.5.00.0050.00713.89

preferences:
60.52 ms | 400 KiB | 5 Q