3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = [0, 1, 2]; unset($x[2]); $y = $x; $x[] = 'new'; $y[] = 'new'; var_dump($x); var_dump($y);

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)
8.3.60.0090.00916.49
8.3.50.0140.00521.09
8.3.40.0120.00318.77
8.3.30.0110.00418.59
8.3.20.0070.00020.18
8.3.10.0040.00423.56
8.3.00.0040.00419.38
8.2.180.0000.01518.25
8.2.170.0070.01022.96
8.2.160.0070.00719.29
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0080.00017.63
8.2.120.0050.00326.35
8.2.110.0040.00420.52
8.2.100.0040.00817.80
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0030.00517.63
8.2.60.0000.00817.80
8.2.50.0060.00318.07
8.2.40.0030.00519.25
8.2.30.0040.00420.67
8.2.20.0030.00617.68
8.2.10.0080.00018.15
8.2.00.0070.00018.11
8.1.280.0080.00625.92
8.1.270.0030.00623.75
8.1.260.0080.00028.09
8.1.250.0030.00628.09
8.1.240.0090.00023.92
8.1.230.0090.00317.66
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0040.00417.00
8.1.180.0000.00718.10
8.1.170.0040.00418.59
8.1.160.0070.00021.82
8.1.150.0040.00418.82
8.1.140.0050.00319.42
8.1.130.0000.00817.63
8.1.120.0040.00417.37
8.1.110.0000.00817.31
8.1.100.0030.00517.39
8.1.90.0040.00417.43
8.1.80.0070.00017.29
8.1.70.0070.00017.39
8.1.60.0040.00417.53
8.1.50.0030.00517.45
8.1.40.0030.00617.51
8.1.30.0000.00817.48
8.1.20.0000.00717.43
8.1.10.0000.00817.40
8.1.00.0000.01117.33
8.0.300.0050.00218.77
8.0.290.0000.00716.63
8.0.280.0040.00318.28
8.0.270.0000.00717.07
8.0.260.0000.00617.10
8.0.250.0060.00016.91
8.0.240.0070.00016.80
8.0.230.0040.00416.83
8.0.220.0030.00316.71
8.0.210.0040.00416.80
8.0.200.0040.00416.88
8.0.190.0050.00316.82
8.0.180.0070.00016.91
8.0.170.0070.00316.82
8.0.160.0030.00316.74
8.0.150.0070.00016.74
8.0.140.0040.00416.67
8.0.130.0060.00013.18
8.0.120.0080.00016.69
8.0.110.0070.00016.86
8.0.100.0080.00016.81
8.0.90.0030.00316.72
8.0.80.0100.00716.77
8.0.70.0060.00216.66
8.0.60.0030.00516.71
8.0.50.0080.00016.62
8.0.30.0060.00916.97
8.0.20.0130.00617.40
8.0.10.0000.00816.81
8.0.00.0090.00916.68
7.4.330.0000.00516.70
7.4.320.0030.00316.59
7.4.300.0060.00016.54
7.4.290.0030.00316.57
7.4.280.0040.00416.49
7.4.270.0030.00316.52
7.4.260.0000.00716.41
7.4.250.0050.00316.58
7.4.240.0040.00316.51
7.4.230.0070.00016.36
7.4.220.0150.00616.53
7.4.210.0030.01116.63
7.4.200.0040.00416.59
7.4.160.0090.00916.40
7.4.150.0060.01217.40
7.4.140.0070.01517.86
7.4.130.0090.00716.46
7.4.120.0080.00916.47
7.4.110.0100.00716.47
7.4.100.0070.01116.45
7.4.90.0120.00616.52
7.4.80.0030.01519.39
7.4.70.0120.00916.23
7.4.60.0090.00616.63
7.4.50.0060.00916.45
7.4.40.0070.01016.32
7.4.30.0140.00316.59
7.4.10.0070.01014.93
7.4.00.0080.00914.66
7.3.330.0060.00013.28
7.3.320.0060.00013.29
7.3.310.0050.00216.36
7.3.300.0000.00716.21
7.3.290.0090.00716.30
7.3.280.0100.00916.32
7.3.270.0140.00417.40
7.3.260.0060.01016.53
7.3.250.0090.00716.35
7.3.240.0130.00516.32
7.3.230.0040.01116.53
7.3.210.0140.00316.43
7.3.200.0080.01416.66
7.3.190.0120.00616.57
7.3.180.0030.01316.37
7.3.170.0030.01616.54
7.3.160.0110.01116.62
7.3.130.0130.00314.87
7.3.120.0030.01015.02
7.3.110.0130.00314.59
7.3.100.0060.00615.03
7.3.90.0100.00714.75
7.3.80.0030.00614.82
7.3.70.0090.00614.77
7.3.60.0040.01214.56
7.3.50.0030.00614.77
7.3.40.0070.00414.77
7.3.30.0030.01414.93
7.3.20.0000.01116.66
7.3.10.0060.00916.76
7.3.00.0090.00516.73
7.2.330.0090.00916.64
7.2.320.0030.01416.50
7.2.310.0170.00016.39
7.2.300.0040.01516.50
7.2.290.0130.00916.45
7.2.260.0120.00915.22
7.2.250.0090.01014.87
7.2.240.0100.00314.90
7.2.230.0100.00314.56
7.2.220.0060.01014.73
7.2.210.0000.01314.95
7.2.200.0070.00715.10
7.2.190.0040.01115.10
7.2.180.0040.00714.99
7.2.170.0120.00314.70
7.2.160.0070.00814.52
7.2.150.0070.00716.82
7.2.140.0070.00716.92
7.2.130.0060.00616.79
7.2.120.0030.01316.75
7.2.110.0040.01216.63
7.2.100.0020.01316.82
7.2.90.0080.00816.73
7.2.80.0060.00616.87
7.2.70.0110.00316.64
7.2.60.0070.00516.84
7.2.50.0070.00516.87
7.2.40.0090.00716.82
7.2.30.0080.00716.84
7.2.20.0090.00616.84
7.2.10.0050.01116.77
7.2.00.0050.00817.63
7.1.330.0130.00015.68
7.1.320.0120.00315.84
7.1.310.0070.00715.81
7.1.300.0040.00815.67
7.1.290.0080.00415.84
7.1.280.0060.00315.79
7.1.270.0070.00715.79
7.1.260.0070.00315.79
7.1.250.0050.00815.89
7.1.240.0050.00715.73
7.1.230.0000.01315.70
7.1.220.0090.00315.72
7.1.210.0030.01015.63
7.1.200.0080.00515.80
7.1.190.0050.00415.71
7.1.180.0050.00815.87
7.1.170.0080.00515.72
7.1.160.0020.00815.74
7.1.150.0060.00515.86
7.1.140.0050.00715.68
7.1.130.0070.00715.85
7.1.120.0040.00915.76
7.1.110.0040.00615.86
7.1.100.0040.00816.38
7.1.90.0050.00815.58
7.1.80.0020.00915.77
7.1.70.0050.00616.29
7.1.60.0110.00616.92
7.1.50.0090.00716.15
7.1.40.0090.00515.85
7.1.30.0030.00915.83
7.1.20.0070.00515.78
7.1.10.0050.00815.60
7.1.00.0040.03017.90
7.0.330.0060.00615.49
7.0.320.0060.00615.33
7.0.310.0070.00915.33
7.0.300.0050.00715.28
7.0.290.0020.00915.29
7.0.280.0050.00615.34
7.0.270.0030.00715.40
7.0.260.0060.00715.23
7.0.250.0030.00915.40
7.0.240.0040.00615.49
7.0.230.0060.00615.41
7.0.220.0050.01015.34
7.0.210.0070.00815.36
7.0.200.0040.00715.15
7.0.190.0110.00315.28
7.0.180.0090.00115.39
7.0.170.0050.00515.49
7.0.160.0000.01015.35
7.0.150.0020.01115.31
7.0.140.0020.01115.52
7.0.130.0040.00715.45
7.0.120.0030.00915.47
7.0.110.0060.00615.45
7.0.100.0050.00815.18
7.0.90.0050.00715.22
7.0.80.0050.00815.53
7.0.70.0020.00815.38
7.0.60.0060.02716.94
7.0.50.0060.03216.34
7.0.40.0050.01815.78
7.0.30.0120.02815.64
7.0.20.0140.02615.75
7.0.10.0060.03215.74
7.0.00.0060.02015.60
5.6.400.0090.00014.45
5.6.390.0000.01314.30
5.6.380.0080.00614.25
5.6.370.0050.00914.38
5.6.360.0030.00914.18
5.6.350.0060.00614.61
5.6.340.0020.00814.39
5.6.330.0050.00514.44
5.6.320.0020.01514.56
5.6.310.0070.00714.22
5.6.300.0020.01014.50
5.6.290.0020.00914.21
5.6.280.0030.01616.63
5.6.270.0020.00814.36
5.6.260.0050.00614.09
5.6.250.0050.00714.19
5.6.240.0050.00514.36
5.6.230.0100.00114.29
5.6.220.0060.00614.28
5.6.210.0040.03516.34
5.6.200.0040.02415.66
5.6.190.0060.03316.38
5.6.180.0240.02216.40
5.6.170.0130.03016.28
5.6.160.0020.02316.42
5.6.150.0050.01715.67
5.6.140.0090.01715.62
5.6.130.0050.01915.62
5.6.120.0060.02916.59
5.6.110.0030.02416.44
5.6.100.0090.03116.49
5.6.90.0030.03116.51
5.6.80.0040.03116.38
5.6.70.0040.00614.35
5.6.60.0060.00514.21
5.6.50.0040.00614.21
5.6.40.0030.00814.16
5.6.30.0050.00514.23
5.6.20.0040.01014.43
5.6.10.0060.00914.28
5.6.00.0060.00314.30
5.5.380.0030.00812.61
5.5.370.0050.00412.90
5.5.360.0040.00812.65
5.5.350.1420.01215.33
5.5.340.0060.02414.50
5.5.330.0080.03015.34
5.5.320.0050.02415.31
5.5.310.0130.02415.19
5.5.300.0070.03114.34
5.5.290.0050.03214.51
5.5.280.0110.02415.51
5.5.270.0040.02715.43
5.5.260.0070.02515.39
5.5.250.0090.02615.30
5.5.240.0110.02315.25
5.5.230.0040.00612.70
5.5.220.0070.00312.74
5.5.210.0050.00812.65
5.5.200.0020.01112.71
5.5.190.0070.00512.63
5.5.180.0050.00512.67
5.5.170.0000.00912.65
5.5.160.0050.00512.54
5.5.150.0060.00512.71
5.5.140.0040.00612.66
5.5.130.0030.01212.77
5.5.120.0030.00512.65
5.5.110.0070.00512.65
5.5.100.0060.00312.52
5.5.90.0060.00612.72
5.5.80.0040.00712.69
5.5.70.0060.00412.81
5.5.60.0030.00812.53
5.5.50.0020.01212.73
5.5.40.0070.00512.59
5.5.30.0030.00512.60
5.5.20.0050.00812.65
5.5.10.0070.00712.73
5.5.00.0050.00712.56

preferences:
60.88 ms | 401 KiB | 5 Q