3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('k', 'o'); unset($arr[0]); unset($arr[1]); var_dump($arr); $arr[]='hoho'; var_dump($arr);

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)
8.3.60.0140.00018.06
8.3.50.0140.00721.10
8.3.40.0120.00618.73
8.3.30.0100.00319.01
8.3.20.0000.00820.27
8.3.10.0050.00320.40
8.3.00.0080.00019.26
8.2.180.0030.01318.29
8.2.170.0150.00322.96
8.2.160.0100.00720.35
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0000.00726.16
8.2.120.0000.00722.14
8.2.110.0030.00722.18
8.2.100.0110.00017.72
8.2.90.0000.00818.89
8.2.80.0050.00317.97
8.2.70.0090.00017.63
8.2.60.0000.00818.04
8.2.50.0000.00918.07
8.2.40.0000.00918.03
8.2.30.0000.00719.24
8.2.20.0040.00417.71
8.2.10.0040.00418.13
8.2.00.0040.00417.61
8.1.280.0150.00425.92
8.1.270.0000.00822.05
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.96
8.1.230.0070.00419.16
8.1.220.0090.00017.76
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0000.00816.96
8.1.180.0000.00718.10
8.1.170.0060.00618.59
8.1.160.0040.00421.82
8.1.150.0030.00518.80
8.1.140.0040.00417.39
8.1.130.0000.00717.82
8.1.120.0000.00817.42
8.1.110.0000.00717.36
8.1.100.0030.00317.43
8.1.90.0030.00317.38
8.1.80.0000.00717.42
8.1.70.0000.00717.35
8.1.60.0050.00317.43
8.1.50.0030.00617.34
8.1.40.0040.00417.49
8.1.30.0030.00617.50
8.1.20.0040.00417.54
8.1.10.0060.00317.37
8.1.00.0050.00317.37
8.0.300.0050.00318.77
8.0.290.0050.00216.63
8.0.280.0030.00318.36
8.0.270.0000.00717.19
8.0.260.0000.00717.16
8.0.250.0030.00316.90
8.0.240.0040.00416.93
8.0.230.0070.00016.94
8.0.220.0040.00416.79
8.0.210.0030.00316.77
8.0.200.0030.00316.92
8.0.190.0000.00716.87
8.0.180.0000.00716.86
8.0.170.0020.00516.80
8.0.160.0040.00416.76
8.0.150.0040.00416.79
8.0.140.0000.00716.64
8.0.130.0000.00613.29
8.0.120.0040.00416.68
8.0.110.0050.00216.75
8.0.100.0000.00716.84
8.0.90.0030.00316.80
8.0.80.0090.00616.74
8.0.70.0040.00416.80
8.0.60.0030.00516.66
8.0.50.0020.00516.69
8.0.30.0170.00517.12
8.0.20.0090.01017.40
8.0.10.0030.00516.81
8.0.00.0090.00816.62
7.4.330.0030.00315.02
7.4.320.0070.00016.58
7.4.300.0000.00616.60
7.4.290.0030.00316.49
7.4.280.0070.00316.57
7.4.270.0030.00316.56
7.4.260.0000.00816.48
7.4.250.0040.00416.41
7.4.240.0020.00516.58
7.4.230.0000.00716.41
7.4.220.0110.00716.61
7.4.210.0130.00316.65
7.4.200.0030.00316.29
7.4.160.0070.01516.44
7.4.150.0080.01117.40
7.4.140.0140.00317.86
7.4.130.0070.00916.54
7.4.120.0060.01116.39
7.4.110.0110.00716.48
7.4.100.0080.00816.43
7.4.90.0100.01016.65
7.4.80.0120.00916.52
7.4.70.0140.00316.49
7.4.60.0100.00616.54
7.4.50.0000.00816.29
7.4.40.0120.00616.39
7.4.30.0100.00716.47
7.4.00.0000.01314.98
7.3.330.0030.00313.16
7.3.320.0030.00313.13
7.3.310.0040.00416.23
7.3.300.0030.00316.34
7.3.290.0070.00716.22
7.3.280.0060.01016.24
7.3.270.0070.01017.40
7.3.260.0060.01316.47
7.3.250.0120.00816.25
7.3.240.0090.00816.41
7.3.230.0070.01016.39
7.3.210.0120.00616.14
7.3.200.0120.00819.39
7.3.190.0070.01416.40
7.3.180.0130.00316.27
7.3.170.0130.00316.27
7.3.160.0160.00016.24
7.3.00.0000.01116.40
7.2.330.0060.01316.70
7.2.320.0090.00916.31
7.2.310.0110.00616.56
7.2.300.0070.01116.68
7.2.290.0100.00716.63
7.2.130.0050.00516.82
7.2.120.0030.00716.64
7.2.110.0030.00816.65
7.2.100.0040.00716.71
7.2.90.0040.01116.80
7.2.80.0000.01216.85
7.2.70.0100.00316.73
7.2.60.0140.00316.96
7.2.50.0030.00916.86
7.2.40.0080.00816.78
7.2.30.0090.00316.88
7.2.20.0100.00316.52
7.2.10.0060.00916.91
7.2.00.0070.00718.01
7.1.250.0060.00615.79
7.1.240.0040.00815.81
7.1.230.0100.00015.73
7.1.220.0030.00815.63
7.1.210.0000.01215.82
7.1.200.0060.00315.36
7.1.190.0040.00715.48
7.1.180.0050.00515.40
7.1.170.0030.00815.82
7.1.160.0100.00015.75
7.1.150.0040.00815.57
7.1.140.0060.00315.75
7.1.130.0070.00715.90
7.1.120.0000.01015.76
7.1.110.0040.01115.88
7.1.100.0040.00716.78
7.1.90.0080.00915.77
7.1.80.0050.00515.68
7.1.70.0080.00816.35
7.1.60.0070.01117.51
7.1.50.0080.00716.17
7.1.40.0000.01315.61
7.1.30.0120.00315.72
7.1.20.0070.00715.87
7.1.10.0060.00615.80
7.1.00.0030.04318.87
7.0.330.0000.00715.01
7.0.320.0080.00415.38
7.0.310.0000.00915.32
7.0.300.0030.00615.48
7.0.290.0120.00015.11
7.0.280.0030.00615.26
7.0.270.0060.00315.22
7.0.260.0030.00614.93
7.0.250.0080.00015.48
7.0.240.0070.00315.25
7.0.230.0100.00315.27
7.0.220.0030.01015.43
7.0.210.0030.01315.20
7.0.200.0070.00416.10
7.0.190.0070.00715.39
7.0.180.0000.01315.42
7.0.170.0040.01215.46
7.0.160.0040.00815.61
7.0.150.0050.00515.07
7.0.140.0050.04018.73
7.0.130.0100.00315.48
7.0.120.0040.01115.21
7.0.110.0000.01315.33
7.0.100.0000.01515.42
7.0.90.0030.01015.18
7.0.80.0090.00015.05
7.0.70.0000.00815.12
7.0.60.0100.04217.47
7.0.50.0020.03516.63
7.0.40.0050.02316.78
7.0.30.0170.04116.82
7.0.20.0150.03216.91
7.0.10.0080.04516.73
7.0.00.0060.04616.54
5.6.380.0030.00914.40
5.6.370.0040.01114.75
5.6.360.0030.01014.28
5.6.350.0050.00514.51
5.6.340.0040.00714.43
5.6.330.0100.00013.97
5.6.320.0030.01014.27
5.6.310.0110.00014.27
5.6.300.0080.00414.60
5.6.290.0070.00314.20
5.6.280.0010.04017.63
5.6.270.0090.00614.07
5.6.260.0030.01014.01
5.6.250.0030.01414.39
5.6.240.0030.00614.34
5.6.230.0080.00314.43
5.6.220.0000.01014.26
5.6.210.0070.02217.41
5.6.200.0120.04016.22
5.6.190.0070.03017.30
5.6.180.0350.03317.47
5.6.170.0230.03717.32
5.6.160.0090.02317.28
5.6.150.0040.02516.14
5.6.140.0050.03516.12
5.6.130.0070.03716.21
5.6.120.0080.03317.56
5.6.110.0130.04017.67
5.6.100.0050.04017.64
5.6.90.0100.03017.55
5.6.80.0090.04017.52
5.6.70.0000.01114.48
5.6.60.0030.00614.03
5.6.50.0070.00713.87
5.6.40.0120.00014.11
5.6.30.0040.01114.07
5.6.20.0080.00314.35
5.6.10.0040.01114.16
5.6.00.0030.01014.05
5.5.380.0060.00311.22
5.5.370.0060.00010.81
5.5.360.0030.00910.99
5.5.350.0100.03915.68
5.5.340.0140.03614.40
5.5.330.0110.03815.55
5.5.320.0170.02315.59
5.5.310.0100.02415.77
5.5.300.0100.04014.49
5.5.290.0070.04014.55
5.5.280.0030.05015.83
5.5.270.0030.04416.06
5.5.260.0060.02815.97
5.5.250.0070.03015.73
5.5.240.0130.03515.58
5.5.230.0000.01011.01
5.5.220.0060.00611.16
5.5.210.0000.00611.11
5.5.200.0030.00310.63
5.5.190.0060.00610.88
5.5.180.0000.00811.15
5.5.170.0050.00510.93
5.5.160.0060.00611.20
5.5.150.0060.00610.96
5.5.140.0060.00610.98
5.5.130.0030.00911.19
5.5.120.0070.00311.01
5.5.110.0050.00511.05
5.5.100.0070.00310.78
5.5.90.0060.00310.71
5.5.80.0080.00310.82
5.5.70.0040.00410.83
5.5.60.0060.00010.96
5.5.50.0000.00911.16
5.5.40.0040.00410.86
5.5.30.0080.00011.23
5.5.20.0060.00010.79
5.5.10.0070.00310.96
5.5.00.0070.00411.21
5.4.450.0120.03315.21
5.4.440.0480.03315.33
5.4.430.0520.03015.12
5.4.420.0110.02515.29
5.4.410.0530.02515.21
5.4.400.0380.02815.07
5.4.390.0410.03115.11
5.4.380.0190.03014.77
5.4.370.0230.03114.69
5.4.360.0280.03814.74
5.4.350.0200.03314.93
5.4.340.0220.02914.91
5.4.330.0100.00310.80
5.4.320.0020.02911.75
5.4.310.0070.02911.58
5.4.300.0060.02011.78
5.4.290.0050.02111.66
5.4.280.0040.02011.68
5.4.270.0050.02111.79
5.4.260.0060.01911.55
5.4.250.0050.02011.75
5.4.240.0020.02111.71
5.4.230.0060.02211.74
5.4.220.0010.02511.63
5.4.210.0050.02011.60
5.4.200.0060.02111.78
5.4.190.0050.02111.66
5.4.180.0020.02511.65
5.4.170.0060.02111.79
5.4.160.0060.01911.62
5.4.150.0060.02411.64
5.4.140.0050.01911.48
5.4.130.0060.02111.54
5.4.120.0050.02011.48
5.4.110.0040.02011.51
5.4.100.0070.01811.34
5.4.90.0060.02211.59
5.4.80.0020.02411.56
5.4.70.0040.01911.44
5.4.60.0030.02211.56
5.4.50.0070.02011.52
5.4.40.0040.02011.50
5.4.30.0020.02211.36
5.4.20.0040.02011.57
5.4.10.0040.01911.55
5.4.00.0020.02411.28
5.3.290.0050.02211.58
5.3.280.0040.02111.57
5.3.270.0050.02911.62
5.3.260.0060.02111.63
5.3.250.0050.02011.63
5.3.240.0070.02011.54
5.3.230.0050.02211.61
5.3.220.0080.01911.46
5.3.210.0070.02411.55
5.3.200.0050.02111.49
5.3.190.0040.02211.52
5.3.180.0030.02311.61
5.3.170.0020.02311.57
5.3.160.0090.01811.65
5.3.150.0060.02011.58
5.3.140.0060.01911.58
5.3.130.0040.02411.49
5.3.120.0090.02611.56
5.3.110.0070.02811.53
5.3.100.0050.02211.25
5.3.90.0090.02011.28
5.3.80.0040.02111.07
5.3.70.0050.02111.15
5.3.60.0050.02211.20
5.3.50.0060.02111.01
5.3.40.0060.01911.14
5.3.30.0040.02111.01
5.3.20.0050.02110.98
5.3.10.0020.02410.82
5.3.00.0030.02110.87
5.2.170.0030.0199.56
5.2.160.0040.0179.56
5.2.150.0030.0179.56
5.2.140.0090.0149.56
5.2.130.0030.0199.54
5.2.120.0050.0159.54
5.2.110.0030.0199.54
5.2.100.0050.0209.54
5.2.90.0050.0189.54
5.2.80.0070.0179.54
5.2.70.0050.0179.54
5.2.60.0040.0159.52
5.2.50.0030.0179.50
5.2.40.0040.0209.49
5.2.30.0050.0189.47
5.2.20.0050.0189.47
5.2.10.0060.0179.43
5.2.00.0050.0179.36
5.1.60.0020.0159.00
5.1.50.0020.0159.00
5.1.40.0030.0138.99
5.1.30.0040.0139.17
5.1.20.0060.0159.18
5.1.10.0050.0159.04
5.1.00.0010.0189.04
5.0.50.0040.0118.28
5.0.40.0040.0118.21
5.0.30.0000.0208.12
5.0.20.0030.0128.10
5.0.10.0010.0158.09
5.0.00.0030.0188.09
4.4.90.0030.0107.36
4.4.80.0040.0117.35
4.4.70.0030.0107.35
4.4.60.0030.0107.35
4.4.50.0010.0127.36
4.4.40.0020.0147.33
4.4.30.0030.0107.35
4.4.20.0040.0117.39
4.4.10.0020.0107.40
4.4.00.0030.0137.35
4.3.110.0020.0107.31
4.3.100.0010.0127.31
4.3.90.0010.0117.29
4.3.80.0020.0137.26
4.3.70.0020.0097.29
4.3.60.0010.0127.29
4.3.50.0050.0067.29
4.3.40.0030.0127.24
4.3.30.0010.0106.61
4.3.20.0020.0116.60
4.3.10.0010.0096.58
4.3.00.0050.0108.40

preferences:
41.81 ms | 401 KiB | 5 Q