3v4l.org

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

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)
8.3.60.0070.01418.30
8.3.50.0100.00521.14
8.3.40.0080.00818.50
8.3.30.0090.00618.91
8.3.20.0080.00020.09
8.3.10.0040.00422.10
8.3.00.0050.00322.51
8.2.180.0110.01118.54
8.2.170.0070.00722.96
8.2.160.0100.00320.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0060.01226.16
8.2.120.0050.00219.66
8.2.110.0090.00019.09
8.2.100.0060.00617.47
8.2.90.0040.00418.16
8.2.80.0030.00520.44
8.2.70.0040.00417.38
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0000.00818.09
8.2.30.0040.00418.11
8.2.20.0040.00417.63
8.2.10.0060.00317.67
8.2.00.0020.00517.69
8.1.280.0110.00725.92
8.1.270.0030.00620.36
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0030.00721.43
8.1.230.0080.00317.42
8.1.220.0080.00017.74
8.1.210.0080.00018.88
8.1.200.0060.00317.22
8.1.190.0040.00417.53
8.1.180.0040.00418.69
8.1.170.0000.00818.64
8.1.160.0040.00422.12
8.1.150.0000.00818.66
8.1.140.0000.00717.38
8.1.130.0000.00817.88
8.1.120.0000.00817.46
8.1.110.0000.00817.43
8.1.100.0070.00017.33
8.1.90.0070.00017.35
8.1.80.0000.00717.46
8.1.70.0000.00717.38
8.1.60.0060.00317.45
8.1.50.0040.00417.37
8.1.40.0000.00717.39
8.1.30.0000.00817.46
8.1.20.0060.00317.68
8.1.10.0050.00317.32
8.1.00.0040.00417.36
8.0.300.0000.01019.95
8.0.290.0070.00017.04
8.0.280.0030.00518.24
8.0.270.0040.00417.05
8.0.260.0030.00316.65
8.0.250.0000.00616.78
8.0.240.0090.00016.77
8.0.230.0000.00716.76
8.0.220.0000.00716.80
8.0.210.0030.00316.87
8.0.200.0000.00616.76
8.0.190.0000.00716.91
8.0.180.0030.00516.83
8.0.170.0030.00516.91
8.0.160.0040.00416.87
8.0.150.0030.00316.80
8.0.140.0080.00016.86
8.0.130.0060.00013.26
8.0.120.0000.00816.73
8.0.110.0000.00716.81
8.0.100.0040.00416.76
8.0.90.0040.00416.93
8.0.80.0130.00916.82
8.0.70.0000.00716.79
8.0.60.0000.00716.92
8.0.50.0000.00816.89
8.0.30.0100.00917.03
8.0.20.0060.01317.40
8.0.10.0040.00416.93
8.0.00.0090.00916.79
7.4.330.0000.00715.00
7.4.320.0060.00016.40
7.4.300.0030.00316.64
7.4.290.0030.00316.55
7.4.280.0030.00316.54
7.4.270.0070.00016.63
7.4.260.0030.00316.47
7.4.250.0040.00416.55
7.4.240.0040.00416.55
7.4.230.0000.00716.67
7.4.220.0030.01416.62
7.4.210.0060.00916.55
7.4.200.0030.00316.40
7.4.190.0040.00416.64
7.4.160.0090.00916.34
7.4.150.0100.00617.40
7.4.140.0160.00417.86
7.4.130.0070.01016.56
7.4.120.0100.01116.52
7.4.110.0100.00716.29
7.4.100.0070.01016.38
7.4.90.0090.00816.32
7.4.80.0030.01719.39
7.4.70.0040.01316.54
7.4.60.0140.00316.47
7.4.50.0040.00416.48
7.4.40.0140.00322.77
7.4.30.0080.00816.38
7.4.10.0070.01115.00
7.4.00.0060.01014.66
7.3.330.0050.00013.04
7.3.320.0030.00312.91
7.3.310.0040.00316.02
7.3.300.0070.00016.19
7.3.290.0030.01016.21
7.3.280.0080.00916.22
7.3.270.0130.00317.40
7.3.260.0140.00416.25
7.3.250.0070.01116.39
7.3.240.0040.02116.30
7.3.230.0040.01516.39
7.3.210.0000.01916.20
7.3.200.0060.00919.39
7.3.190.0030.01616.19
7.3.180.0120.00416.25
7.3.170.0110.00616.27
7.3.160.0030.01316.18
7.3.130.0060.01014.78
7.3.120.0080.00714.84
7.3.110.0060.01214.94
7.3.100.0060.00914.71
7.3.90.0070.00714.72
7.3.80.0030.01014.97
7.3.70.0090.00614.32
7.3.60.0120.00314.81
7.3.50.0000.01014.79
7.3.40.0060.00614.58
7.3.30.0100.00014.58
7.3.20.0070.00716.36
7.3.10.0070.00716.60
7.3.00.0050.00716.48
7.2.330.0130.00316.58
7.2.320.0040.01416.57
7.2.310.0140.00616.39
7.2.300.0110.00516.31
7.2.290.0130.00316.56
7.2.260.0030.01615.14
7.2.250.0030.01515.07
7.2.240.0070.00714.98
7.2.230.0080.00515.01
7.2.220.0000.01114.81
7.2.210.0060.00914.80
7.2.200.0040.01114.91
7.2.190.0000.01214.78
7.2.180.0090.00314.91
7.2.170.0060.00914.94
7.2.160.0100.00314.94
7.2.150.0100.00316.88
7.2.140.0030.01016.84
7.2.130.0080.00416.79
7.2.120.0040.00716.72
7.2.110.0010.00816.79
7.2.100.0030.01016.80
7.2.90.0070.00716.71
7.2.80.0030.01216.67
7.2.70.0020.01216.77
7.2.60.0050.01016.83
7.2.50.0080.00616.93
7.2.40.0040.00716.72
7.2.30.0070.00716.91
7.2.20.0030.00917.00
7.2.10.0100.00516.85
7.2.00.0070.00617.76
7.1.330.0030.01015.70
7.1.320.0120.00015.74
7.1.310.0120.00015.61
7.1.300.0100.00315.61
7.1.290.0120.00315.81
7.1.280.0070.00315.83
7.1.270.0030.00915.61
7.1.260.0060.00815.40
7.1.250.0060.00615.79
7.1.240.0040.00815.76
7.1.230.0030.01215.83
7.1.220.0040.00615.52
7.1.210.0120.00415.84
7.1.200.0060.00615.67
7.1.190.0060.00815.46
7.1.180.0050.00715.76
7.1.170.0040.00815.77
7.1.160.0080.00515.47
7.1.150.0020.00815.73
7.1.140.0060.00715.60
7.1.130.0090.00215.64
7.1.120.0050.00715.55
7.1.110.0100.00615.64
7.1.100.0030.00615.72
7.1.90.0050.01015.63
7.1.80.0070.00715.76
7.1.70.0050.00616.07
7.1.60.0060.00716.26
7.1.50.0100.00516.04
7.1.40.0050.00915.56
7.1.30.0110.00315.57
7.1.20.0060.00715.80
7.1.10.0050.00615.62
7.1.00.0040.01617.99
7.0.330.0080.00315.45
7.0.320.0070.00315.21
7.0.310.0090.00515.11
7.0.300.0060.01015.37
7.0.290.0060.00515.41
7.0.280.0050.00815.28
7.0.270.0030.00715.26
7.0.260.0030.00815.34
7.0.250.0050.00515.45
7.0.240.0030.01015.40
7.0.230.0100.00315.29
7.0.220.0090.00515.42
7.0.210.0060.00715.36
7.0.200.0060.00615.85
7.0.190.0090.00315.36
7.0.180.0070.00615.26
7.0.170.0000.01215.55
7.0.160.0060.00615.25
7.0.150.0050.00815.22
7.0.140.0070.02717.46
7.0.130.0020.01015.36
7.0.120.0090.00315.17
7.0.110.0050.00815.49
7.0.100.0040.01115.28
7.0.90.0000.01215.44
7.0.80.0070.00715.17
7.0.70.0070.00615.46
7.0.60.0050.02016.85
7.0.50.0090.02116.25
7.0.40.0070.01815.76
7.0.30.0130.01815.68
7.0.20.0070.02115.65
7.0.10.0070.03215.62
7.0.00.0050.01815.71
5.6.400.0040.00914.09
5.6.390.0070.00713.96
5.6.380.0060.00614.45
5.6.370.0130.00313.97
5.6.360.0070.00714.04
5.6.350.0030.00914.22
5.6.340.0050.00914.39
5.6.330.0020.01014.16
5.6.320.0100.00314.04
5.6.310.0090.00514.37
5.6.300.0070.00714.21
5.6.290.0050.00814.18
5.6.280.0060.02916.48
5.6.270.0060.00414.35
5.6.260.0070.00814.21
5.6.250.0020.01114.10
5.6.240.0030.00714.08
5.6.230.0050.00714.01
5.6.220.0050.00714.39
5.6.210.0040.02316.45
5.6.200.0050.03315.66
5.6.190.0160.02416.32
5.6.180.0090.01816.39
5.6.170.0170.01616.43
5.6.160.0020.03716.33
5.6.150.0090.01615.46
5.6.140.0050.02215.47
5.6.130.0080.03215.55
5.6.120.0060.03316.49
5.6.110.0070.03316.69
5.6.100.0060.02316.54
5.6.90.0090.03616.54
5.6.80.0080.01516.22
5.6.70.0020.01114.08
5.6.60.0040.01014.14
5.6.50.0080.00514.08
5.6.40.0080.00814.04
5.6.30.0080.00414.27
5.6.20.0070.00514.13
5.6.10.0070.00814.24
5.6.00.0050.00714.16
5.5.380.0050.00612.39
5.5.370.0060.00512.53
5.5.360.0080.00412.70
5.5.350.1170.01515.05
5.5.340.0100.02514.47
5.5.330.0080.02815.25
5.5.320.0150.02315.29
5.5.310.0170.02015.15
5.5.300.0120.02314.41
5.5.290.0010.02214.50
5.5.280.0020.03215.18
5.5.270.0050.03215.26
5.5.260.0050.02815.35
5.5.250.0090.02615.37
5.5.240.0070.02615.17
5.5.230.0070.00812.70
5.5.220.0040.00512.45
5.5.210.0070.00512.49
5.5.200.0050.00912.68
5.5.190.0090.00412.59
5.5.180.0070.00812.59
5.5.170.0030.00912.70
5.5.160.0020.00812.65
5.5.150.0100.00212.52
5.5.140.0030.00912.54
5.5.130.0080.00012.33
5.5.120.0030.00712.65
5.5.110.0060.00712.70
5.5.100.0040.00412.66
5.5.90.0040.00712.21
5.5.80.0020.00812.54
5.5.70.0040.00812.71
5.5.60.0050.00412.68
5.5.50.0020.01012.49
5.5.40.0050.00912.67
5.5.30.0070.00612.47
5.5.20.0030.00612.67
5.5.10.0020.01012.56
5.5.00.0020.01012.22
5.4.450.0240.02313.86
5.4.440.0270.02313.85
5.4.430.0190.02213.73
5.4.420.0330.01513.81
5.4.410.0060.02213.73
5.4.400.0180.02213.67
5.4.390.0300.02113.63
5.4.380.0100.01813.34
5.4.370.0070.01813.48
5.4.360.0070.01813.49
5.4.350.0060.01811.23
5.4.340.0050.01611.17
5.4.330.0040.00610.82
5.4.320.0030.01911.45
5.4.310.0060.01511.48
5.4.300.0090.01211.46
5.4.290.0030.02111.42
5.4.280.0040.01611.47
5.4.270.0060.01511.38
5.4.260.0040.01911.32
5.4.250.0060.02013.41
5.4.240.0060.02113.51
5.4.230.0050.02113.67
5.4.220.0070.02013.56
5.4.210.0060.02013.53
5.4.200.0070.01813.56
5.4.190.0070.02413.70
5.4.180.0060.02713.44
5.4.170.0120.01713.73
5.4.160.0060.02713.56
5.4.150.0040.02213.54
5.4.140.0070.01912.82
5.4.130.0060.01912.78
5.4.120.0090.01812.92
5.4.110.0070.02112.73
5.4.100.0060.02012.60
5.4.90.0060.01912.67
5.4.80.0080.01712.74
5.4.70.0080.01612.72
5.4.60.0050.02112.95
5.4.50.0030.02112.64
5.4.40.0010.02412.81
5.4.30.0100.01312.84
5.4.20.0040.02012.69
5.4.10.0070.01812.84
5.4.00.0110.01712.49
5.3.290.0050.01711.30
5.3.280.0050.02111.86
5.3.270.0050.02111.82
5.3.260.0050.02011.96
5.3.250.0040.02111.95
5.3.240.0050.02311.85
5.3.230.0080.01811.90
5.3.220.0050.02111.93
5.3.210.0070.02011.86
5.3.200.0040.01911.90
5.3.190.0060.02111.93
5.3.180.0100.01511.91
5.3.170.0060.02511.84
5.3.160.0050.01911.91
5.3.150.0070.01911.94
5.3.140.0030.02111.92
5.3.130.0050.02111.89
5.3.120.0040.02011.90
5.3.110.0050.02011.91
5.3.100.0010.02511.67
5.3.90.0030.02411.72
5.3.80.0060.02511.65
5.3.70.0040.02111.64
5.3.60.0010.02311.71
5.3.50.0100.02211.67
5.3.40.0050.01911.61
5.3.30.0060.01711.76
5.3.20.0040.01911.52
5.3.10.0080.02211.46
5.3.00.0040.02011.43
5.2.170.0050.02210.80
5.2.160.0080.02010.73
5.2.150.0040.02510.77
5.2.140.0010.02610.68
5.2.130.0060.02110.66
5.2.120.0010.02410.66
5.2.110.0040.02410.66
5.2.100.0050.03210.67
5.2.90.0030.02210.76
5.2.80.0040.02410.66
5.2.70.0080.01910.65
5.2.60.0060.02210.69
5.2.50.0010.02410.69
5.2.40.0050.02510.73
5.2.30.0090.02010.61
5.2.20.0070.02010.64
5.2.10.0100.01710.60
5.2.00.0030.02110.56
5.1.60.0070.02010.11
5.1.50.0050.01910.10
5.1.40.0020.02010.03
5.1.30.0050.01810.27
5.1.20.0060.01710.28
5.1.10.0030.02210.16
5.1.00.0050.01910.19
5.0.50.0020.0179.40
5.0.40.0000.0189.40
5.0.30.0040.0209.28
5.0.20.0050.0159.21
5.0.10.0050.0159.25
5.0.00.0020.0269.22
4.4.90.0030.0138.29
4.4.80.0060.0088.29
4.4.70.0000.0178.29
4.4.60.0050.0098.29
4.4.50.0020.0128.29
4.4.40.0050.0208.29
4.4.30.0080.0088.29
4.4.20.0060.0118.29
4.4.10.0080.0088.29
4.4.00.0010.0208.29
4.3.110.0020.0128.29
4.3.100.0020.0128.29
4.3.90.0000.0158.29
4.3.80.0030.0238.29
4.3.70.0050.0128.29
4.3.60.0020.0148.29
4.3.50.0020.0148.29
4.3.40.0020.0248.29
4.3.30.0070.0108.29
4.3.20.0020.0128.29
4.3.10.0020.0178.29
4.3.00.0050.0149.04

preferences:
54.42 ms | 401 KiB | 5 Q