3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array(1, 2, 3, 4, 5); unset($x[2]); print_r($x); var_dump($x);

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)
8.3.60.0120.00616.38
8.3.50.0070.01222.94
8.3.40.0120.00318.62
8.3.30.0070.00719.06
8.3.20.0000.00820.16
8.3.10.0040.00423.59
8.3.00.0080.00019.25
8.2.180.0120.00318.41
8.2.170.0040.01122.96
8.2.160.0030.01020.54
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0030.00626.16
8.2.120.0000.00721.04
8.2.110.0030.00620.33
8.2.100.0040.00718.22
8.2.90.0040.00419.26
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0000.00718.05
8.2.50.0030.00618.07
8.2.40.0080.00318.16
8.2.30.0050.00218.11
8.2.20.0030.00517.62
8.2.10.0070.00018.00
8.2.00.0030.00517.59
8.1.280.0120.00325.92
8.1.270.0060.00922.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00022.69
8.1.230.0040.00719.61
8.1.220.0040.00417.76
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0040.00417.13
8.1.180.0030.00618.10
8.1.170.0040.00418.51
8.1.160.0040.00421.87
8.1.150.0040.00418.68
8.1.140.0000.00817.30
8.1.130.0040.00417.82
8.1.120.0080.00017.44
8.1.110.0080.00017.28
8.1.100.0030.00317.39
8.1.90.0000.00817.30
8.1.80.0000.00717.29
8.1.70.0000.00817.34
8.1.60.0000.00817.50
8.1.50.0050.00317.42
8.1.40.0030.00717.33
8.1.30.0040.00417.48
8.1.20.0030.00517.56
8.1.10.0000.00717.29
8.1.00.0060.00317.42
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00718.29
8.0.270.0040.00417.24
8.0.260.0000.00617.12
8.0.250.0030.00316.90
8.0.240.0030.00516.76
8.0.230.0070.00016.91
8.0.220.0000.00716.80
8.0.210.0000.00616.83
8.0.200.0030.00316.89
8.0.190.0040.00416.82
8.0.180.0070.00016.76
8.0.170.0030.00616.89
8.0.160.0030.00316.94
8.0.150.0070.00016.80
8.0.140.0000.00716.75
8.0.130.0000.00913.14
8.0.120.0040.00416.79
8.0.110.0040.00416.87
8.0.100.0080.00016.80
8.0.90.0030.00616.62
8.0.80.0070.01116.87
8.0.70.0070.00016.73
8.0.60.0000.00816.82
8.0.50.0040.00416.76
8.0.30.0110.00917.04
8.0.20.0130.00817.40
8.0.10.0030.00516.84
8.0.00.0090.00916.74
7.4.330.0050.00015.00
7.4.320.0070.00016.58
7.4.300.0030.00316.47
7.4.290.0050.00316.64
7.4.280.0040.00416.54
7.4.270.0030.00316.63
7.4.260.0030.00316.62
7.4.250.0050.00316.46
7.4.240.0040.00316.43
7.4.230.0070.00016.68
7.4.220.0030.01416.54
7.4.210.0070.01016.50
7.4.200.0000.00716.64
7.4.160.0080.00816.50
7.4.150.0130.00717.40
7.4.140.0110.00617.86
7.4.130.0090.01016.37
7.4.120.0080.00816.45
7.4.110.0070.01016.35
7.4.100.0080.00816.39
7.4.90.0060.01216.50
7.4.80.0090.00619.39
7.4.70.0060.01316.55
7.4.60.0100.00716.36
7.4.50.0040.00416.38
7.4.40.0110.00516.53
7.4.30.0140.00316.42
7.4.00.0070.00915.11
7.3.330.0040.00413.11
7.3.320.0030.00312.93
7.3.310.0000.00716.16
7.3.300.0000.00716.18
7.3.290.0060.00916.24
7.3.280.0080.01016.22
7.3.270.0060.01217.40
7.3.260.0110.00816.50
7.3.250.0110.00816.36
7.3.240.0060.01116.15
7.3.230.0110.00616.39
7.3.210.0140.00416.16
7.3.200.0120.00619.39
7.3.190.0100.01016.30
7.3.180.0120.00416.35
7.3.170.0040.01116.27
7.3.160.0130.00316.26
7.3.120.0030.01414.68
7.3.110.0040.01214.77
7.3.100.0100.00714.55
7.3.90.0060.00614.82
7.3.80.0060.00914.54
7.3.70.0070.01114.68
7.3.60.0070.01114.77
7.3.50.0100.00714.75
7.3.40.0140.00014.95
7.3.30.0070.00314.70
7.3.20.0030.01216.76
7.3.10.0090.00316.30
7.3.00.0050.00816.47
7.2.330.0110.00716.61
7.2.320.0150.00816.30
7.2.310.0060.01516.33
7.2.300.0120.00616.08
7.2.290.0130.00316.65
7.2.250.0070.01014.78
7.2.240.0060.01214.76
7.2.230.0060.00915.18
7.2.220.0100.00714.90
7.2.210.0070.01414.75
7.2.200.0000.01514.79
7.2.190.0040.01114.87
7.2.180.0030.01214.96
7.2.170.0080.00814.81
7.2.130.0030.00916.73
7.2.120.0070.00716.79
7.2.110.0040.00816.68
7.2.100.0150.00016.75
7.2.90.0030.00616.74
7.2.80.0090.00616.81
7.2.70.0000.01216.50
7.2.60.0100.00616.53
7.2.50.0110.00316.64
7.2.40.0030.00816.70
7.2.30.0120.00316.47
7.2.20.0060.01016.75
7.2.10.0070.00716.56
7.2.00.0040.00717.87
7.1.330.0100.00315.96
7.1.320.0070.01015.88
7.1.310.0090.00915.89
7.1.300.0080.00315.87
7.1.290.0000.01315.88
7.1.280.0040.00815.91
7.1.270.0100.00015.55
7.1.260.0070.00315.55
7.1.250.0100.00315.70
7.1.240.0070.00315.66
7.1.230.0100.00315.55
7.1.220.0050.00515.54
7.1.210.0120.00315.70
7.1.200.0050.00715.61
7.1.190.0060.01215.72
7.1.180.0060.00615.68
7.1.170.0000.00915.82
7.1.160.0110.00615.73
7.1.150.0060.00615.33
7.1.140.0030.01015.70
7.1.130.0150.00315.37
7.1.120.0060.00615.68
7.1.110.0000.01215.61
7.1.100.0080.00516.92
7.1.90.0000.01215.63
7.1.80.0080.00315.63
7.1.70.0030.00616.30
7.1.60.0080.01117.58
7.1.50.0110.01016.16
7.1.40.0030.00715.49
7.1.30.0000.01515.57
7.1.20.0080.00315.66
7.1.10.0090.00015.55
7.1.00.0070.04218.97
7.0.330.0060.00615.46
7.0.320.0030.01015.39
7.0.310.0070.00315.22
7.0.300.0040.00415.21
7.0.290.0060.00615.23
7.0.280.0030.00915.05
7.0.270.0070.00415.10
7.0.260.0030.00615.26
7.0.250.0040.00815.06
7.0.240.0130.00315.15
7.0.230.0070.00315.09
7.0.220.0030.00715.39
7.0.210.0070.00715.27
7.0.200.0020.00615.91
7.0.190.0040.01115.28
7.0.180.0120.00415.11
7.0.170.0070.01015.32
7.0.160.0030.00615.39
7.0.150.0060.00615.31
7.0.140.0080.03318.68
7.0.130.0060.00715.34
7.0.120.0030.00515.39
7.0.110.0030.01015.16
7.0.100.0000.01215.10
7.0.90.0090.00315.28
7.0.80.0050.00315.28
7.0.70.0060.00915.20
7.0.60.0050.03217.61
7.0.50.0050.04316.60
7.0.40.0070.04716.55
7.0.30.0250.03416.66
7.0.20.0130.02716.74
7.0.10.0050.04216.67
7.0.00.0090.04516.68
5.6.380.0030.00513.92
5.6.370.0060.01014.30
5.6.360.0080.00614.14
5.6.350.0100.00614.01
5.6.340.0030.01314.14
5.6.330.0000.00914.24
5.6.320.0030.00614.15
5.6.310.0040.00714.02
5.6.300.0040.00814.25
5.6.290.0030.00914.15
5.6.280.0040.04117.56
5.6.270.0070.00414.00
5.6.260.0040.00414.14
5.6.250.0000.01013.96
5.6.240.0070.00714.36
5.6.230.0070.00714.14
5.6.220.0060.00614.40
5.6.210.0090.03817.33
5.6.200.0020.04916.13
5.6.190.0080.04417.38
5.6.180.0170.03117.25
5.6.170.0210.03417.43
5.6.160.0020.02917.42
5.6.150.0070.03116.21
5.6.140.0080.03216.14
5.6.130.0080.04116.04
5.6.120.0090.02917.49
5.6.110.0100.03617.40
5.6.100.0040.02517.38
5.6.90.0100.03417.62
5.6.80.0030.02717.06
5.6.70.0070.00413.99
5.6.60.0040.00713.77
5.6.50.0070.00314.10
5.6.40.0040.00714.19
5.6.30.0070.00714.25
5.6.20.0040.00914.08
5.6.10.0030.00713.53
5.6.00.0060.00613.58
5.5.380.0050.00310.98
5.5.370.0060.00010.90
5.5.360.0030.00310.95
5.5.350.0180.03615.66
5.5.340.0100.03514.46
5.5.330.0060.03515.73
5.5.320.0030.04015.57
5.5.310.0150.02215.60
5.5.300.0060.04014.47
5.5.290.0030.03214.44
5.5.280.0110.03115.88
5.5.270.0050.04415.97
5.5.260.0080.04215.88
5.5.250.0070.02115.79
5.5.240.0080.04315.54
5.5.230.0030.00610.90
5.5.220.0080.00410.90
5.5.210.0040.00411.02
5.5.200.0000.00810.90
5.5.190.0030.00610.90
5.5.180.0030.00710.90
5.5.170.0040.00410.90
5.5.160.0000.01210.90
5.5.150.0090.00310.90
5.5.140.0000.00710.90
5.5.130.0030.00710.90
5.5.120.0060.00310.90
5.5.110.0050.00510.90
5.5.100.0040.00410.90
5.5.90.0070.00010.93
5.5.80.0030.01011.14
5.5.70.0100.00011.12
5.5.60.0060.00311.20
5.5.50.0060.00611.26
5.5.40.0080.00410.90
5.5.30.0030.00910.90
5.5.20.0050.00511.14
5.5.10.0000.00710.90
5.5.00.0030.00910.90
5.4.450.0200.02515.03
5.4.440.0120.02315.10
5.4.430.0280.02315.19
5.4.420.0230.02615.28
5.4.410.0160.02915.21
5.4.400.0380.02115.06
5.4.390.0300.02614.94
5.4.380.0160.02714.80
5.4.370.0200.02814.84
5.4.360.0150.03414.72
5.4.350.0300.02014.76
5.4.340.0190.03014.68
5.4.330.0040.00410.90
5.4.320.0040.02111.69
5.4.310.0040.02111.69
5.4.300.0040.02111.78
5.4.290.0050.02011.69
5.4.280.0030.02111.65
5.4.270.0060.02311.63
5.4.260.0080.02011.63
5.4.250.0020.02511.64
5.4.240.0070.02111.64
5.4.230.0040.02311.63
5.4.220.0060.01911.63
5.4.210.0040.02211.63
5.4.200.0020.02311.63
5.4.190.0070.01811.66
5.4.180.0050.02111.63
5.4.170.0030.02111.63
5.4.160.0040.02211.70
5.4.150.0070.01611.63
5.4.140.0060.02211.51
5.4.130.0040.02011.51
5.4.120.0050.01811.56
5.4.110.0020.02311.54
5.4.100.0080.02011.46
5.4.90.0050.02111.45
5.4.80.0040.02311.45
5.4.70.0040.01911.44
5.4.60.0070.01611.45
5.4.50.0070.01811.49
5.4.40.0020.02211.49
5.4.30.0050.02011.44
5.4.20.0060.02011.44
5.4.10.0050.02011.44
5.4.00.0070.01611.27
5.3.290.0060.02011.85
5.3.280.0050.02111.80
5.3.270.0040.02211.81
5.3.260.0060.02111.81
5.3.250.0010.02411.81
5.3.240.0050.01911.81
5.3.230.0040.02011.80
5.3.220.0060.01811.79
5.3.210.0020.02411.79
5.3.200.0040.02011.79
5.3.190.0050.01911.79
5.3.180.0060.02011.79
5.3.170.0020.02511.79
5.3.160.0030.02311.79
5.3.150.0040.02211.79
5.3.140.0070.02011.78
5.3.130.0040.02211.78
5.3.120.0040.02011.78
5.3.110.0030.02211.78
5.3.100.0040.02211.51
5.3.90.0050.01911.49
5.3.80.0010.02311.49
5.3.70.0040.02111.49
5.3.60.0060.02111.48
5.3.50.0050.02711.45
5.3.40.0060.01911.46
5.3.30.0030.02011.43
5.3.20.0020.02311.32
5.3.10.0040.02111.31
5.3.00.0020.02211.30
5.2.170.0060.01510.05
5.2.160.0050.01510.05
5.2.150.0030.01910.05
5.2.140.0030.01910.05
5.2.130.0040.01510.03
5.2.120.0040.01610.03
5.2.110.0050.01610.03
5.2.100.0020.01810.03
5.2.90.0010.01910.03
5.2.80.0020.01810.03
5.2.70.0020.01710.03
5.2.60.0040.01710.01
5.2.50.0040.0159.99
5.2.40.0050.0159.98
5.2.30.0070.0169.97
5.2.20.0050.0159.96
5.2.10.0030.0189.92
5.2.00.0060.0149.85
5.1.60.0050.0129.49
5.1.50.0040.0139.49
5.1.40.0010.0169.48
5.1.30.0020.0209.65
5.1.20.0060.0149.66
5.1.10.0040.0159.52
5.1.00.0020.0179.52
5.0.50.0010.0138.77
5.0.40.0040.0108.69
5.0.30.0020.0178.60
5.0.20.0060.0098.58
5.0.10.0040.0108.57
5.0.00.0020.0178.57
4.4.90.0010.0107.84
4.4.80.0040.0097.82
4.4.70.0020.0097.83
4.4.60.0020.0097.83
4.4.50.0020.0097.83
4.4.40.0020.0147.80
4.4.30.0040.0077.83
4.4.20.0040.0077.87
4.4.10.0020.0097.87
4.4.00.0030.0137.83
4.3.110.0020.0127.79
4.3.100.0030.0087.78
4.3.90.0050.0077.77
4.3.80.0020.0147.74
4.3.70.0030.0087.76
4.3.60.0030.0097.76
4.3.50.0040.0077.76
4.3.40.0010.0147.72
4.3.30.0010.0107.10
4.3.20.0020.0097.08
4.3.10.0020.0097.06
4.3.00.0050.01113.29

preferences:
49.91 ms | 401 KiB | 5 Q