3v4l.org

run code in 300+ PHP versions simultaneously
<?php function array_shift_second(&$array) { $keys = array_keys($array); if (count($keys) < 2) { return false; } $value = $array[$keys[1]]; unset($array[$keys[1]]); return $value; } $a = [1, 2, 3, 4]; var_dump(array_shift_second($a)); var_dump(array_shift_second($a)); var_dump(array_shift_second($a)); var_dump(array_shift_second($a)); var_dump(array_shift_second($a));

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)
8.3.40.0140.00318.51
8.3.30.0110.00419.04
8.3.20.0060.00320.35
8.3.10.0100.00023.55
8.3.00.0030.00519.38
8.2.170.0040.01522.96
8.2.160.0070.01020.28
8.2.150.0030.00624.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0080.00022.26
8.2.110.0090.00020.38
8.2.100.0090.00317.91
8.2.90.0070.00319.05
8.2.80.0040.00418.22
8.2.70.0090.00217.49
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0050.00319.85
8.2.30.0040.00419.81
8.2.20.0030.00517.75
8.2.10.0040.00418.19
8.2.00.0040.00417.61
8.1.270.0060.00923.81
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.89
8.1.230.0000.01218.88
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0050.00318.45
8.1.160.0040.00422.05
8.1.150.0060.00318.54
8.1.140.0000.00718.89
8.1.130.0000.00717.77
8.1.120.0080.00017.35
8.1.110.0000.00817.41
8.1.100.0030.00317.37
8.1.90.0030.00317.38
8.1.80.0070.00017.47
8.1.70.0030.00317.48
8.1.60.0000.00817.54
8.1.50.0000.00817.50
8.1.40.0000.00817.44
8.1.30.0080.00017.65
8.1.20.0000.00817.63
8.1.10.0040.00417.54
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0000.00718.32
8.0.270.0070.00016.76
8.0.260.0030.00317.17
8.0.250.0000.00716.91
8.0.240.0000.00716.78
8.0.230.0050.00216.85
8.0.220.0070.00016.81
8.0.210.0030.00316.89
8.0.200.0000.00616.88
8.0.190.0000.00816.80
8.0.180.0040.00416.91
8.0.170.0080.00016.93
8.0.160.0040.00416.82
8.0.150.0040.00416.93
8.0.140.0070.00016.88
8.0.130.0030.00313.30
8.0.120.0050.00316.86
8.0.110.0000.00816.93
8.0.100.0080.00016.86
8.0.90.0040.00416.79
8.0.80.0000.01516.91
8.0.70.0000.00816.82
8.0.60.0030.00616.95
8.0.50.0050.00316.71
8.0.30.0130.00816.94
8.0.20.0120.00917.40
8.0.10.0050.00216.99
8.0.00.0120.00616.72
7.4.330.0040.00015.00
7.4.320.0000.00616.50
7.4.300.0030.00316.55
7.4.290.0000.00716.36
7.4.280.0070.00016.57
7.4.270.0000.00716.52
7.4.260.0070.00016.51
7.4.250.0030.00516.36
7.4.240.0010.00716.49
7.4.230.0000.00716.38
7.4.220.0160.01016.45
7.4.210.0070.00916.59
7.4.200.0030.00316.70
7.4.190.0000.00716.77
7.4.160.0140.00316.36
7.4.150.0100.01117.40
7.4.140.0080.00917.86
7.4.130.0070.01216.50
7.4.120.0120.00716.41
7.4.110.0030.01516.57
7.4.100.0060.01616.25
7.4.90.0030.01316.74
7.4.80.0100.01019.39
7.4.70.0080.00816.49
7.4.60.0060.01016.60
7.4.50.0000.00916.30
7.4.40.0110.01116.45
7.4.30.0080.00816.35
7.4.00.0070.01215.08
7.3.330.0040.00413.36
7.3.320.0000.00613.34
7.3.310.0040.00416.36
7.3.300.0000.00716.37
7.3.290.0110.00716.32
7.3.280.0070.01116.31
7.3.270.0100.00617.40
7.3.260.0120.00616.51
7.3.250.0150.00316.37
7.3.240.0060.01216.23
7.3.230.0130.00916.54
7.3.210.0030.01316.41
7.3.200.0100.01019.39
7.3.190.0130.01016.48
7.3.180.0130.00616.19
7.3.170.0070.01116.45
7.3.160.0050.01016.43
7.3.120.0060.00914.91
7.3.110.0060.00614.86
7.3.100.0090.00614.63
7.3.90.0030.01014.63
7.3.80.0030.01014.89
7.3.70.0100.00314.98
7.3.60.0110.00314.84
7.3.50.0080.00814.76
7.3.40.0060.01014.81
7.3.30.0000.00914.77
7.3.20.0070.00716.79
7.3.10.0070.00716.76
7.3.00.0080.00816.54
7.2.330.0070.01116.36
7.2.320.0100.00616.42
7.2.310.0090.00916.75
7.2.300.0090.00616.73
7.2.290.0040.01316.56
7.2.250.0070.01414.74
7.2.240.0090.00615.06
7.2.230.0040.01115.22
7.2.220.0070.01015.06
7.2.210.0060.01015.23
7.2.200.0070.00715.13
7.2.190.0080.00415.04
7.2.180.0060.01015.12
7.2.170.0030.01014.94
7.2.60.0070.00716.96
7.2.00.0060.00619.45
7.1.330.0070.01015.96
7.1.320.0030.00915.86
7.1.310.0040.00415.77
7.1.300.0030.01315.76
7.1.290.0060.00615.72
7.1.280.0050.00315.63
7.1.270.0080.00515.47
7.1.260.0070.01115.99
7.1.200.0040.00815.55
7.1.100.0030.00717.95
7.1.70.0080.00017.19
7.1.60.0070.01819.46
7.1.50.0030.01317.02
7.1.00.0100.07022.29
7.0.200.0730.00614.70
7.0.140.0000.07322.00
7.0.100.0000.04719.97
7.0.90.0000.05719.92
7.0.80.0000.04319.87
7.0.70.0130.03719.88
7.0.60.0030.04319.96
7.0.50.0030.04320.34
7.0.40.0070.07020.12
7.0.30.0070.04020.04
7.0.20.0100.03720.00
7.0.10.0030.04020.10
7.0.00.0030.06019.95
5.6.250.0000.04320.57
5.6.240.0070.04720.61
5.6.230.0070.04020.61
5.6.220.0100.04020.49
5.6.210.0030.04320.59
5.6.200.0130.03321.04
5.6.190.0030.04321.03
5.6.180.0000.04321.12
5.6.170.0100.05021.03
5.6.160.0000.08721.01
5.6.150.0100.07021.01
5.6.140.0070.07721.04
5.6.130.0030.05320.94
5.6.120.0100.08021.11
5.6.110.0100.08721.02
5.6.100.0000.09321.00
5.6.90.0130.07721.15
5.6.80.0100.07720.32
5.6.70.0170.03320.44
5.6.60.0070.08020.41
5.6.50.0100.07320.44
5.6.40.0100.04720.53
5.6.30.0100.04320.33
5.6.20.0070.07720.46
5.6.10.0070.05720.44
5.6.00.0130.07020.27
5.5.380.0030.05020.40
5.5.370.0070.05020.36
5.5.360.0030.04020.56
5.5.350.0000.04720.38
5.5.340.0030.04020.92
5.5.330.0100.03320.88
5.5.320.0070.04020.83
5.5.310.0070.03320.89
5.5.300.0100.07020.83
5.5.290.0130.08320.86
5.5.280.0100.07020.88
5.5.270.0100.06720.75
5.5.260.0170.08020.80
5.5.250.0100.08020.55
5.5.240.0070.08720.18
5.5.230.0070.07320.23
5.5.220.0100.07020.10
5.5.210.0070.04320.14
5.5.200.0130.05020.13
5.5.190.0130.07020.18
5.5.180.0000.08720.11
5.5.160.0070.04020.26
5.5.150.0100.06720.27
5.5.140.0000.06320.22
5.5.130.0130.05020.15
5.5.120.0000.04720.25
5.5.110.0070.07720.21
5.5.100.0100.06720.08
5.5.90.0070.07719.94
5.5.80.0130.07020.04
5.5.70.0000.08020.05
5.5.60.0170.06020.15
5.5.50.0000.05720.00
5.5.40.0100.07720.14
5.5.30.0100.07720.15
5.5.20.0030.04720.03
5.5.10.0070.07720.11
5.5.00.0070.07319.97
5.4.450.0030.08719.54
5.4.440.0000.08019.27
5.4.430.0070.08719.53
5.4.420.0030.08719.50
5.4.410.0030.08019.24
5.4.400.0100.07719.17
5.4.390.0130.04319.03
5.4.380.0030.07719.12
5.4.370.0100.05319.18
5.4.360.0070.04318.85
5.4.350.0070.07319.18
5.4.340.0000.08018.89
5.4.320.0100.07718.91
5.4.310.0130.07019.23
5.4.300.0100.06019.18
5.4.290.0130.03719.21
5.4.280.0070.04719.09
5.4.270.0070.04018.88
5.4.260.0030.04319.09
5.4.250.0170.03319.02
5.4.240.0130.06719.11
5.4.230.0130.06318.86
5.4.220.0100.07719.13
5.4.210.0170.06019.08
5.4.200.0030.08319.04
5.4.190.0070.04319.08
5.4.180.0030.08019.15
5.4.170.0030.05018.89
5.4.160.0000.05719.02
5.4.150.0000.08318.89
5.4.140.0100.07016.25
5.4.130.0130.06716.40
5.4.120.0030.08016.41
5.4.110.0070.07316.41
5.4.100.0130.04716.55
5.4.90.0100.06016.51
5.4.80.0000.07316.38
5.4.70.0170.06316.41
5.4.60.0130.03316.48
5.4.50.0030.07316.32
5.4.40.0100.05016.51
5.4.30.0070.07316.53
5.4.20.0030.04016.44
5.4.10.0030.07316.46
5.4.00.0100.07315.86
5.3.290.0030.07714.59
5.3.280.0070.08014.57
5.3.270.0070.07314.62
5.3.260.0030.04714.70
5.3.250.0000.08014.54
5.3.240.0070.07014.66
5.3.230.0070.07314.71
5.3.220.0070.07714.57
5.3.210.0130.06014.67
5.3.200.0070.07714.49
5.3.190.0100.07014.57
5.3.180.0100.07014.52
5.3.170.0030.05314.49
5.3.160.0070.07014.52
5.3.150.0000.04714.62
5.3.140.0130.04014.57
5.3.130.0030.07714.54
5.3.120.0070.08014.66
5.3.110.0100.06314.52
5.3.100.0030.07314.03
5.3.90.0000.07314.13
5.3.80.0100.06714.15
5.3.70.0070.08014.13
5.3.60.0030.04314.05
5.3.50.0030.04313.97
5.3.40.0100.07013.96
5.3.30.0030.05713.90
5.3.20.0030.08013.58
5.3.10.0000.07713.72
5.3.00.0070.05713.54
5.2.170.0070.06311.93
5.2.160.0100.05711.93
5.2.150.0070.05011.93
5.2.140.0000.06311.93
5.2.130.0070.05011.93
5.2.120.0070.06011.93
5.2.110.0100.05711.93
5.2.100.0070.06711.93
5.2.90.0030.04711.93
5.2.80.0030.06311.93
5.2.70.0070.06011.93
5.2.60.0100.05311.93
5.2.50.0070.05011.93
5.2.40.0100.04711.93
5.2.30.0130.03011.93
5.2.20.0030.06011.93
5.2.10.0070.06011.93
5.2.00.0030.06311.93
5.1.60.0030.04311.93
5.1.50.0070.04311.93
5.1.40.0030.05011.93
5.1.30.0130.04711.93
5.1.20.0070.05311.93
5.1.10.0100.05011.93
5.1.00.0030.05711.93
5.0.50.0070.04711.93
5.0.40.0070.03311.93
5.0.30.0030.06711.93
5.0.20.0100.02011.93
5.0.10.0000.02711.93
5.0.00.0030.05311.93
4.4.90.0000.02011.93
4.4.80.0000.03711.93
4.4.70.0030.02711.93
4.4.60.0030.02311.93
4.4.50.0070.02011.93
4.4.40.0030.04011.93
4.4.30.0030.03311.93
4.4.20.0000.03311.93
4.4.10.0070.03011.93
4.4.00.0000.05311.93
4.3.110.0000.03711.93
4.3.100.0030.03711.93
4.3.90.0030.03011.93
4.3.80.0000.05011.93
4.3.70.0030.03311.93
4.3.60.0030.03711.93
4.3.50.0000.03711.93
4.3.40.0000.03311.93
4.3.30.0000.03711.93
4.3.20.0030.02011.93
4.3.10.0000.03311.93
4.3.00.0000.01711.93

preferences:
44.85 ms | 400 KiB | 5 Q