3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array() ?: ''; $element = array_shift($arr); var_dump($element); var_dump($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)
8.3.40.0110.00418.70
8.3.30.0030.01018.76
8.3.20.0030.00518.65
8.3.10.0040.00420.53
8.3.00.0050.00317.71
8.2.170.0060.01222.96
8.2.160.0070.00722.13
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.71
8.2.110.0090.00020.82
8.2.100.0090.00317.91
8.2.90.0060.00319.05
8.2.80.0080.00017.97
8.2.70.0080.00017.50
8.2.60.0040.00417.80
8.2.50.0000.00918.07
8.2.40.0040.00419.75
8.2.30.0040.00417.86
8.2.20.0060.00317.64
8.2.10.0080.00017.71
8.2.00.0040.00417.61
8.1.270.0060.00324.66
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00621.15
8.1.230.0040.00817.51
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.00817.23
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0040.00418.84
8.1.160.0030.00318.86
8.1.150.0040.00418.48
8.1.140.0050.00517.37
8.1.130.0000.00717.87
8.1.120.0040.00417.31
8.1.110.0000.00717.25
8.1.100.0000.00817.36
8.1.90.0020.00517.39
8.1.80.0050.00217.36
8.1.70.0000.00717.40
8.1.60.0000.00717.47
8.1.50.0000.00817.40
8.1.40.0040.00417.53
8.1.30.0030.00517.52
8.1.20.0030.00517.62
8.1.10.0020.00517.40
8.1.00.0000.00717.48
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.30
8.0.270.0040.00417.14
8.0.260.0000.00716.81
8.0.250.0080.00016.85
8.0.240.0030.00616.83
8.0.230.0030.00316.89
8.0.220.0030.00316.88
8.0.210.0030.00316.84
8.0.200.0070.00016.91
8.0.190.0000.00816.91
8.0.180.0040.00416.85
8.0.170.0000.00916.81
8.0.160.0070.00016.88
8.0.150.0030.00516.93
8.0.140.0000.00716.73
8.0.130.0030.00313.34
8.0.120.0000.00816.87
8.0.110.0030.00316.71
8.0.100.0080.00016.76
8.0.90.0000.00716.73
8.0.80.0070.01316.79
8.0.70.0040.00416.87
8.0.60.0000.00816.75
8.0.50.0040.00416.73
8.0.30.0130.00517.05
8.0.20.0050.01417.09
8.0.10.0040.00417.01
8.0.00.0100.00716.67
7.4.330.0000.00412.90
7.4.320.0050.00216.47
7.4.300.0030.00316.50
7.4.290.0000.00716.57
7.4.280.0060.00316.49
7.4.270.0000.00616.43
7.4.260.0000.00513.12
7.4.250.0030.00616.51
7.4.240.0070.00016.51
7.4.230.0030.00316.52
7.4.220.0090.00616.47
7.4.210.0110.00716.51
7.4.200.0030.00516.42
7.4.190.0040.00416.37
7.4.160.0150.00616.47
7.4.150.0040.01817.07
7.4.140.0110.00617.04
7.4.130.0100.00816.46
7.4.120.0060.01116.29
7.4.110.0060.01016.51
7.4.100.0060.01516.32
7.4.90.0140.00316.49
7.4.80.0130.00918.63
7.4.70.0110.01116.36
7.4.60.0100.00616.40
7.4.50.0000.00518.82
7.4.40.0060.00921.69
7.4.30.0040.01216.42
7.4.00.0040.01114.84
7.3.330.0030.00313.11
7.3.320.0000.00513.02
7.3.310.0030.00316.18
7.3.300.0030.00316.19
7.3.290.0000.01416.24
7.3.280.0100.00716.17
7.3.270.0190.00617.07
7.3.260.0120.00818.24
7.3.250.0150.00316.45
7.3.240.0090.00916.34
7.3.230.0080.00816.25
7.3.210.0150.00016.19
7.3.200.0130.00519.39
7.3.190.0090.01216.42
7.3.180.0090.00616.14
7.3.170.0000.01916.25
7.3.160.0040.01116.30
7.3.120.0120.00314.74
7.3.110.0060.01214.58
7.3.100.0070.00714.76
7.3.90.0070.01014.74
7.3.80.0070.00714.64
7.3.70.0000.01314.57
7.3.60.0040.00414.72
7.3.50.0130.00314.72
7.3.40.0120.00314.54
7.3.30.0110.00414.75
7.3.20.0120.00316.43
7.3.10.0070.00716.27
7.3.00.0070.01016.71
7.2.330.0100.01016.66
7.2.320.0100.00716.43
7.2.310.0120.01216.46
7.2.300.0040.01416.42
7.2.290.0080.01516.43
7.2.250.0030.01314.99
7.2.240.0070.01114.93
7.2.230.0060.01314.92
7.2.220.0060.00914.82
7.2.210.0040.01114.70
7.2.200.0060.00314.89
7.2.190.0040.01115.03
7.2.180.0070.01014.88
7.2.170.0060.01115.10
7.1.330.0000.01315.46
7.1.320.0030.00715.71
7.1.310.0030.00615.86
7.1.300.0040.00815.38
7.1.290.0030.01115.38
7.1.280.0030.01315.61
7.1.270.0030.01115.67
7.1.260.0070.00715.82
7.1.100.0050.00517.93
7.1.70.0060.00316.67
7.1.60.0170.00719.40
7.1.50.0120.00634.69
7.1.00.0100.07322.32
7.0.200.0080.00016.70
7.0.140.0000.07722.12
7.0.120.0030.03022.02
7.0.60.0070.04719.94
7.0.50.0030.07717.81
7.0.40.0000.07717.70
7.0.30.0000.07017.66
7.0.20.0070.08317.76
7.0.10.0100.08017.72
7.0.00.0130.05017.75
5.6.280.0030.07321.03
5.6.210.0070.08320.64
5.6.200.0070.06318.08
5.6.190.0100.05318.16
5.6.180.0100.05018.18
5.6.170.0070.08718.08
5.6.160.0070.07318.17
5.6.150.0070.04718.21
5.6.140.0130.07018.22
5.6.130.0070.06718.22
5.6.120.0000.06318.11
5.6.110.0000.08718.15
5.6.100.0070.08018.11
5.6.90.0000.07018.14
5.6.80.0070.08017.60
5.6.70.0000.08017.57
5.6.60.0170.07017.57
5.6.50.0000.06317.54
5.6.40.0130.07017.51
5.6.30.0130.07017.50
5.6.20.0100.07717.51
5.6.10.0000.07017.44
5.6.00.0130.06317.46
5.5.350.0270.07320.35
5.5.340.0070.05318.02
5.5.330.0070.08317.91
5.5.320.0100.08017.93
5.5.310.0130.07318.02
5.5.300.0170.04317.89
5.5.290.0070.06317.91
5.5.280.0130.08017.92
5.5.270.0070.09017.86
5.5.260.0000.07717.93
5.5.250.0130.07317.83
5.5.240.0030.07317.26
5.5.230.0070.04717.34
5.5.220.0100.07317.32
5.5.210.0130.04317.39
5.5.200.0030.08017.37
5.5.190.0070.05717.30
5.5.180.0000.08017.24
5.5.160.0030.04317.37
5.5.150.0070.07317.36
5.5.140.0070.05717.33
5.5.130.0130.05717.35
5.5.120.0070.04717.23
5.5.110.0070.07017.33
5.5.100.0100.07017.14
5.5.90.0070.04017.18
5.5.80.0070.07717.23
5.5.70.0000.04717.21
5.5.60.0070.05317.25
5.5.50.0130.04717.26
5.5.40.0030.06317.16
5.5.30.0100.06717.25
5.5.20.0070.06317.18
5.5.10.0100.06017.21
5.5.00.0070.07017.11
5.4.450.0070.06319.45
5.4.440.0100.05319.32
5.4.430.0130.05319.32
5.4.420.0100.06719.35
5.4.410.0070.04319.23
5.4.400.0070.06019.21
5.4.390.0130.07018.97
5.4.380.0100.07018.96
5.4.370.0030.06319.03
5.4.360.0070.07018.97
5.4.350.0070.08018.95
5.4.340.0070.05319.04
5.4.320.0070.07319.07
5.4.310.0170.06719.03
5.4.300.0070.07019.03
5.4.290.0100.06318.98
5.4.280.0100.07318.88
5.4.270.0070.04318.96
5.4.260.0170.06019.05
5.4.250.0070.05019.06
5.4.240.0070.04319.23
5.4.230.0070.04319.06
5.4.220.0100.08018.98
5.4.210.0170.05318.96
5.4.200.0100.04718.98
5.4.190.0030.07019.08
5.4.180.0030.06318.98
5.4.170.0130.05719.09
5.4.160.0100.07318.99
5.4.150.0100.06018.95
5.4.140.0030.04716.34
5.4.130.0200.06316.33
5.4.120.0070.04016.36
5.4.110.0030.07316.42
5.4.100.0200.05016.44
5.4.90.0170.05716.23
5.4.80.0170.06016.32
5.4.70.0130.06316.27
5.4.60.0000.06316.34
5.4.50.0070.05016.14
5.4.40.0100.07716.30
5.4.30.0070.06716.49
5.4.20.0070.03716.33
5.4.10.0070.07016.26
5.4.00.0070.06015.72
5.3.290.0070.08014.66
5.3.280.0100.05314.58
5.3.270.0070.06014.46
5.3.260.0000.05314.57
5.3.250.0070.06014.45
5.3.240.0030.03714.54
5.3.230.0070.08014.54
5.3.220.0070.03314.54
5.3.210.0070.07314.52
5.3.200.0130.05314.52
5.3.190.0000.07714.39
5.3.180.0070.06014.53
5.3.170.0000.06714.64
5.3.160.0070.04314.49
5.3.150.0000.08014.38
5.3.140.0030.04014.52
5.3.130.0030.05314.62
5.3.120.0030.04014.48
5.3.110.0070.07314.46
5.3.100.0100.07714.00
5.3.90.0030.05313.97
5.3.80.0000.05313.92
5.3.70.0030.03713.77
5.3.60.0170.05013.85
5.3.50.0030.08013.87
5.3.40.0030.08313.88
5.3.30.0100.03713.68
5.3.20.0200.05713.61
5.3.10.0070.04313.61
5.3.00.0130.07013.55
5.2.170.0030.06011.13
5.2.160.0070.05011.14
5.2.150.0100.05011.11
5.2.140.0070.03711.15
5.2.130.0100.06011.08
5.2.120.0030.06711.08
5.2.110.0030.06011.08
5.2.100.0130.05311.04
5.2.90.0000.06711.23
5.2.80.0000.06711.06
5.2.70.0030.06311.04
5.2.60.0030.06310.95
5.2.50.0100.03311.02
5.2.40.0030.03010.91
5.2.30.0000.03310.86
5.2.20.0100.02310.89
5.2.10.0030.04310.84
5.2.00.0000.05710.61
5.1.60.0030.0509.98
5.1.50.0070.0539.96
5.1.40.0030.0309.94
5.1.30.0100.02710.36
5.1.20.0070.04710.36
5.1.10.0170.04010.09
5.1.00.0030.0579.90
5.0.50.0000.0508.68
5.0.40.0070.0408.68
5.0.30.0030.0508.68
5.0.20.0000.0478.68
5.0.10.0000.0278.68
5.0.00.0000.0708.68
4.4.90.0000.0378.68
4.4.80.0030.0378.68
4.4.70.0000.0208.68
4.4.60.0030.0378.68
4.4.50.0000.0208.68
4.4.40.0000.0538.68
4.4.30.0030.0308.68
4.4.20.0000.0308.68
4.4.10.0030.0338.68
4.4.00.0100.0408.68
4.3.110.0030.0338.68
4.3.100.0100.0308.68
4.3.90.0000.0208.68
4.3.80.0000.0538.68
4.3.70.0030.0308.68
4.3.60.0000.0238.68
4.3.50.0000.0308.68
4.3.40.0000.0378.68
4.3.30.0000.0278.68
4.3.20.0030.0208.68
4.3.10.0000.0238.68
4.3.00.0000.0378.68

preferences:
46.91 ms | 400 KiB | 5 Q