3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = [['Slide'=>1] ]; /* function a(array $a) { array_shift($a); } a($x); var_dump($x); array_shift($x); var_dump($x); */ var_dump(empty(current($x)['Slide']));

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)
8.3.60.0130.00618.05
8.3.50.0070.00716.18
8.3.40.0000.01818.57
8.3.30.0120.00318.38
8.3.20.0100.00320.70
8.3.10.0040.00421.92
8.3.00.0000.00923.61
8.2.180.0090.00616.38
8.2.170.0120.00322.96
8.2.160.0070.01020.35
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0060.01226.16
8.2.120.0040.00426.16
8.2.110.0000.00920.57
8.2.100.0090.00317.78
8.2.90.0040.00419.89
8.2.80.0000.00918.04
8.2.70.0030.00618.05
8.2.60.0040.00417.97
8.2.50.0060.00318.10
8.2.40.0030.00619.48
8.2.30.0030.00519.31
8.2.20.0040.00418.06
8.2.10.0020.00519.29
8.2.00.0040.00419.21
8.1.280.0100.00325.92
8.1.270.0120.00320.50
8.1.260.0000.00726.35
8.1.250.0110.00428.09
8.1.240.0070.00323.96
8.1.230.0040.00723.90
8.1.220.0070.00317.74
8.1.210.0030.00618.77
8.1.200.0050.00517.10
8.1.190.0030.00517.23
8.1.180.0050.00319.18
8.1.170.0040.00418.35
8.1.160.0050.00518.82
8.1.150.0040.00418.82
8.1.140.0030.00320.79
8.1.130.0040.00420.04
8.1.120.0040.00417.26
8.1.110.0090.00017.38
8.1.100.0040.00417.39
8.1.90.0050.00317.40
8.1.80.0050.00217.38
8.1.70.0000.00717.36
8.1.60.0040.00417.44
8.1.50.0080.00017.48
8.1.40.0040.00417.48
8.1.30.0040.00417.61
8.1.20.0040.00717.64
8.1.10.0000.00717.42
8.1.00.0080.00017.44
8.0.300.0000.00719.89
8.0.290.0060.00316.60
8.0.280.0000.00718.39
8.0.270.0040.00417.09
8.0.260.0000.00619.91
8.0.250.0000.01016.93
8.0.240.0000.00716.95
8.0.230.0040.00416.93
8.0.220.0070.00016.70
8.0.210.0030.00316.89
8.0.200.0060.00016.88
8.0.190.0000.00816.88
8.0.180.0000.00716.87
8.0.170.0050.00516.88
8.0.160.0040.00416.77
8.0.150.0000.00716.65
8.0.140.0070.00416.73
8.0.130.0050.00013.29
8.0.120.0000.00716.81
8.0.110.0070.00016.88
8.0.100.0000.00716.72
8.0.90.0040.00416.70
8.0.80.0060.00916.76
8.0.70.0000.00716.77
8.0.60.0030.00516.87
8.0.50.0030.00516.75
8.0.30.0120.00516.99
8.0.20.0080.01116.97
8.0.10.0050.00316.84
8.0.00.0120.00716.70
7.4.330.0000.00515.55
7.4.320.0060.00016.46
7.4.300.0030.00316.29
7.4.290.0050.00216.36
7.4.280.0070.00016.50
7.4.270.0000.00816.53
7.4.260.0030.00313.09
7.4.250.0000.00616.44
7.4.240.0040.00416.40
7.4.230.0070.00016.61
7.4.220.0050.00216.53
7.4.210.0090.00816.54
7.4.200.0020.00516.52
7.4.130.0180.00716.31
7.4.120.0090.00916.60
7.4.110.0070.01116.46
7.4.100.0080.01216.47
7.4.90.0100.00616.50
7.4.80.0060.01119.39
7.4.70.0110.00716.23
7.4.60.0120.00416.49
7.4.50.0070.00316.43
7.4.40.0120.00816.50
7.4.00.0060.01114.83
7.3.330.0080.00016.04
7.3.320.0030.00312.96
7.3.310.0070.00016.14
7.3.300.0000.00716.25
7.3.290.0040.00316.10
7.3.280.0100.01016.22
7.3.260.0110.00716.24
7.3.240.0110.00616.27
7.3.230.0090.01216.41
7.3.210.0110.00516.10
7.3.200.0070.01516.09
7.3.190.0080.01116.43
7.3.180.0060.00916.23
7.3.170.0120.00316.50
7.3.160.0030.01716.28
7.3.120.0040.01214.75
7.3.110.0060.01214.88
7.3.100.0110.00714.99
7.3.90.0120.00314.68
7.3.80.0040.00714.59
7.3.70.0090.00514.52
7.3.60.0030.00714.58
7.3.50.0070.00514.53
7.3.40.0100.00614.66
7.3.30.0080.00614.70
7.3.20.0070.00715.61
7.3.10.0090.00515.77
7.3.00.0090.00715.61
7.2.330.0070.01016.27
7.2.320.0110.00616.61
7.2.310.0070.01016.60
7.2.300.0130.00316.50
7.2.290.0050.01116.17
7.2.250.0030.01314.61
7.2.240.0060.00915.08
7.2.230.0090.00614.66
7.2.220.0120.00314.87
7.2.210.0020.00914.90
7.2.200.0050.00914.92
7.2.190.0060.00814.93
7.2.180.0110.00314.84
7.2.170.0040.00914.98
7.2.160.0050.00814.88
7.2.150.0070.00915.67
7.2.140.0080.00815.82
7.2.130.0130.00315.78
7.2.120.0100.00615.65
7.2.110.0110.00815.92
7.2.100.0110.00715.80
7.2.90.0060.00615.98
7.2.80.0130.00515.90
7.2.70.0020.01215.73
7.2.60.0100.00815.79
7.2.50.0060.01115.95
7.2.40.0090.00915.80
7.2.30.0060.00615.81
7.2.20.0110.00415.93
7.2.10.0090.01015.73
7.2.00.0090.00515.88
7.1.330.0130.00615.72
7.1.320.0060.00615.47
7.1.310.0060.00714.92
7.1.300.0070.00814.86
7.1.290.0060.01014.76
7.1.280.0100.00214.82
7.1.270.0040.00914.69
7.1.260.0060.00914.67
7.1.250.0080.00514.71
7.1.240.0060.01314.77
7.1.230.0120.00614.68
7.1.220.0090.00814.74
7.1.210.0060.00714.63
7.1.200.0070.01114.54
7.1.190.0080.00814.64
7.1.180.0130.00714.63
7.1.170.0100.00814.70
7.1.160.0100.00814.78
7.1.150.0070.00614.70
7.1.140.0130.00814.68
7.1.130.0770.00514.40
7.1.120.0080.00914.65
7.1.110.0100.00814.92
7.1.100.0080.00814.56
7.1.90.0110.00714.49
7.1.80.0100.00914.74
7.1.70.0140.00714.68
7.1.60.0070.01114.51
7.1.50.0110.00514.74
7.1.40.0050.01514.58
7.1.30.0160.00614.67
7.1.20.0140.00714.69
7.1.10.0120.00314.64
7.1.00.0080.00714.47
7.0.330.0220.00613.29
7.0.320.1400.01013.66
7.0.310.0140.00813.16
7.0.300.0140.00713.64
7.0.290.0140.00313.46
7.0.280.0150.00313.50
7.0.270.0120.01213.32
7.0.260.0160.00613.51
7.0.250.0120.00813.53
7.0.240.0160.00313.59
7.0.230.0150.00713.50
7.0.220.0130.00813.49
7.0.210.0150.01113.50
7.0.200.0180.00713.39
7.0.190.0090.00913.32
7.0.180.0140.01113.52
7.0.170.0090.00913.66
7.0.160.0120.01213.68
7.0.150.0220.00013.14
7.0.140.0120.00913.51
7.0.130.0140.00413.50
7.0.120.0140.01113.65
7.0.110.0180.00013.64
7.0.100.0220.00013.41
7.0.90.0080.01213.30
7.0.80.0160.00613.67
7.0.70.0160.01013.66
7.0.60.0100.01313.51
7.0.50.0110.00713.57
7.0.40.0180.00213.18
7.0.30.0160.00313.51
7.0.20.0140.01413.58
7.0.10.0130.01013.68
7.0.00.0180.00313.43
5.6.400.0090.00913.95
5.6.390.0040.01514.00
5.6.380.0150.00413.82
5.6.370.0120.00914.23
5.6.360.0100.00714.23
5.6.350.0110.00614.18
5.6.340.0190.00514.15
5.6.330.0140.00914.20
5.6.320.0150.00214.35
5.6.310.0190.00614.43
5.6.300.0070.01414.18
5.6.290.0160.01014.38
5.6.280.0060.01214.08
5.6.270.0130.01114.18
5.6.260.0180.00614.22
5.6.250.0130.00813.84
5.6.240.0000.02114.45
5.6.230.0160.00014.43
5.6.220.0160.01114.21
5.6.210.0130.00414.37
5.6.200.0110.00814.11
5.6.190.0100.00314.24
5.6.180.0070.01014.28
5.6.170.0130.00614.30
5.6.160.0090.00414.01
5.6.150.0130.00614.16
5.6.140.0120.00614.09
5.6.130.0150.00614.13
5.6.120.0070.00714.28
5.6.110.0100.00514.34
5.6.100.0160.00314.26
5.6.90.0180.00714.12
5.6.80.0190.00314.29
5.6.70.0150.01014.13
5.6.60.0160.00714.23
5.6.50.0190.00313.90
5.6.40.0140.00714.20
5.6.30.0180.00614.05
5.6.20.0120.00614.08
5.6.10.0100.01014.22
5.6.00.0140.01114.03
5.5.380.0090.00914.02
5.5.370.0160.00613.99
5.5.360.0040.01514.19
5.5.350.0140.00514.25
5.5.340.0090.00913.93
5.5.330.0030.02014.13
5.5.320.0120.00813.91
5.5.310.0080.00814.08
5.5.300.0150.00614.02
5.5.290.0100.01013.77
5.5.280.0150.00313.93
5.5.270.0090.00913.95
5.5.260.0090.00614.11
5.5.250.0200.00314.16
5.5.240.0200.00313.98
5.5.230.0170.00714.08
5.5.220.0120.01214.27
5.5.210.0060.01314.43
5.5.200.0160.00414.28
5.5.190.0180.00314.37
5.5.180.0190.00014.00
5.5.170.0150.00414.23
5.5.160.0070.01714.14
5.5.150.0090.00613.99
5.5.140.0080.00814.26
5.5.130.0090.01113.93
5.5.120.0120.00814.27
5.5.110.0170.00013.92
5.5.100.0110.00613.70
5.5.90.0080.01514.00
5.5.80.0090.00913.87
5.5.70.0130.00413.93
5.5.60.0170.00414.02
5.5.50.0130.01014.20
5.5.40.0190.00713.90
5.5.30.0120.00814.43
5.5.20.0160.00613.96
5.5.10.0180.00613.98
5.5.00.0130.00913.86
5.4.450.0060.00611.14
5.4.440.0050.01110.80
5.4.430.0090.00410.94
5.4.420.0000.01311.08
5.4.410.0130.00310.77
5.4.400.0120.00810.63
5.4.390.0080.01110.89
5.4.380.0110.00810.60
5.4.370.0110.00610.80
5.4.360.0130.00010.98
5.4.350.0100.00710.79
5.4.340.0160.00010.95
5.4.330.0180.00010.88
5.4.320.0150.00010.65
5.4.310.0150.00010.80
5.4.300.0090.00610.71
5.4.290.0060.00610.71
5.4.280.0100.00610.87
5.4.270.0120.00610.80
5.4.260.0140.00010.73
5.4.250.0080.00410.91
5.4.240.0100.00310.62
5.4.230.0080.01211.05
5.4.220.0110.00410.82
5.4.210.0130.00310.52
5.4.200.0150.00010.69
5.4.190.0130.00310.85
5.4.180.0040.00810.68
5.4.170.0070.00410.82
5.4.160.0110.00311.11
5.4.150.0110.00310.93
5.4.140.0070.01110.84
5.4.130.0090.00610.91
5.4.120.0160.00010.85
5.4.110.0120.00310.66
5.4.100.0130.00010.79
5.4.90.0060.01011.05
5.4.80.0110.00510.67
5.4.70.0070.00711.05
5.4.60.0120.00611.13
5.4.50.0110.00310.85
5.4.40.0070.01410.99
5.4.30.0070.00710.56
5.4.20.0040.01110.87
5.4.10.0000.01311.08
5.4.00.0070.00710.95
5.3.290.0050.00510.23
5.3.280.0060.00610.09
5.3.270.0120.00810.00
5.3.260.0060.00610.12
5.3.250.0090.00210.21
5.3.240.0040.0089.98
5.3.230.0060.00510.09
5.3.220.0090.00610.00
5.3.210.0100.00310.12
5.3.200.0110.00010.20
5.3.190.0080.00510.01
5.3.180.0060.00610.36
5.3.170.0090.00310.06
5.3.160.0060.00610.29
5.3.150.0110.00010.25
5.3.140.0060.00610.06
5.3.130.0140.00010.26
5.3.120.0080.00810.18
5.3.110.0100.00510.16
5.3.100.0100.00010.19
5.3.90.0120.00210.37
5.3.80.0090.00910.14
5.3.70.0090.00910.14
5.3.60.0080.00410.19
5.3.50.0070.00710.14
5.3.40.0070.00710.10
5.3.30.0130.00010.23
5.3.20.0150.00010.19
5.3.10.0130.0039.97
5.3.00.0000.0119.99
5.2.170.0080.0049.39
5.2.160.0090.0009.39
5.2.150.0080.0059.39
5.2.140.0050.0059.39
5.2.130.0000.0119.39
5.2.120.0080.0049.39
5.2.110.0070.0039.39
5.2.100.0000.0129.39
5.2.90.0070.0059.39
5.2.80.0050.0089.39
5.2.70.0040.0089.39
5.2.60.0120.0009.39
5.2.50.0100.0039.39
5.2.40.0100.0029.39
5.2.30.0060.0069.39
5.2.20.0000.0119.39
5.2.10.0040.0089.39
5.2.00.0060.0069.39
5.1.60.0050.0059.39
5.1.50.0110.0009.39
5.1.40.0050.0059.39
5.1.30.0110.0009.39
5.1.20.0050.0059.39
5.1.10.0000.0109.39
5.1.00.0060.0039.39
5.0.50.0060.0029.39
5.0.40.0070.0009.39
5.0.30.0020.0059.39
5.0.20.0040.0049.39
5.0.10.0070.0009.39
5.0.00.0050.0039.39
4.4.90.0050.0039.39
4.4.80.0080.0009.39
4.4.70.0000.0089.39
4.4.60.0070.0009.39
4.4.50.0000.0089.39
4.4.40.0030.0049.39
4.4.30.0040.0049.39
4.4.20.0040.0049.39
4.4.10.0020.0059.39
4.4.00.0040.0039.39
4.3.110.0040.0049.39
4.3.100.0040.0049.39
4.3.90.0000.0059.39
4.3.80.0080.0009.39
4.3.70.0000.0099.39
4.3.60.0050.0039.39
4.3.50.0100.0009.39
4.3.40.0040.0029.39
4.3.30.0020.0029.39
4.3.20.0050.0009.39
4.3.10.0030.0039.39
4.3.00.0060.0009.39

preferences:
66.5 ms | 400 KiB | 5 Q