3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = new SplFixedArray(5); $array[] = 'boo'; $array[] = 'baz'; $array[] = 'bing'; $array[] = 'foo'; $array[] = 'blah'; var_dump($array); var_dump(json_encode($array));

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)
8.3.40.0040.01118.79
8.3.30.0100.00319.22
8.3.20.0040.00420.15
8.3.10.0050.00323.70
8.3.00.0040.00419.50
8.2.170.0040.01122.96
8.2.160.0070.00720.35
8.2.150.0050.00324.18
8.2.140.0050.00224.66
8.2.130.0100.00026.16
8.2.120.0050.00321.09
8.2.110.0090.00022.13
8.2.100.0000.01118.16
8.2.90.0040.00419.10
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0080.00017.90
8.2.50.0000.00818.07
8.2.40.0070.00018.21
8.2.30.0040.00418.04
8.2.20.0000.00717.73
8.2.10.0070.00017.93
8.2.00.0090.00017.81
8.1.270.0040.00423.83
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0050.00523.83
8.1.230.0070.00319.14
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0040.00417.22
8.1.190.0050.00317.22
8.1.180.0060.00318.10
8.1.170.0040.00418.42
8.1.160.0040.00421.94
8.1.150.0000.01018.73
8.1.140.0060.00317.39
8.1.130.0070.00017.84
8.1.120.0050.00217.43
8.1.110.0040.00417.28
8.1.100.0040.00417.39
8.1.90.0000.00717.29
8.1.80.0040.00417.36
8.1.70.0030.00317.41
8.1.60.0040.00417.49
8.1.50.0040.00417.41
8.1.40.0040.00417.46
8.1.30.0000.00817.55
8.1.20.0030.00517.56
8.1.10.0080.00017.40
8.1.00.0030.00517.42
8.0.300.0000.00918.77
8.0.290.0070.00016.75
8.0.280.0070.00018.34
8.0.270.0030.00317.07
8.0.260.0000.00617.14
8.0.250.0000.00716.86
8.0.240.0080.00016.96
8.0.230.0060.00016.84
8.0.220.0040.00416.96
8.0.210.0000.00716.91
8.0.200.0060.00016.93
8.0.190.0050.00316.98
8.0.180.0060.00316.85
8.0.170.0000.00716.84
8.0.160.0050.00316.79
8.0.150.0040.00416.82
8.0.140.0000.00816.91
8.0.130.0030.00313.33
8.0.120.0000.00816.87
8.0.110.0050.00216.74
8.0.100.0000.00716.91
8.0.90.0070.00016.75
8.0.80.0170.00716.85
8.0.70.0030.00516.91
8.0.60.0000.00816.71
8.0.50.0040.00416.77
8.0.30.0060.01317.14
8.0.20.0160.00517.40
8.0.10.0050.00317.00
8.0.00.0130.00616.92
7.4.330.0000.00615.04
7.4.320.0060.00016.52
7.4.300.0060.00016.43
7.4.290.0030.00316.51
7.4.280.0060.00216.55
7.4.270.0000.00616.61
7.4.260.0070.00016.43
7.4.250.0000.00716.42
7.4.240.0050.00216.63
7.4.230.0030.00316.67
7.4.220.0170.01016.47
7.4.210.0080.00816.53
7.4.200.0040.00416.30
7.4.160.0070.01116.54
7.4.150.0140.01717.40
7.4.140.0140.00317.86
7.4.130.0080.00816.62
7.4.120.0100.00616.54
7.4.110.0100.00716.40
7.4.100.0120.00916.39
7.4.90.0100.00716.57
7.4.80.0100.00619.39
7.4.70.0040.01216.50
7.4.60.0140.00316.45
7.4.50.0060.00016.42
7.4.40.0070.01516.47
7.4.30.0120.00316.47
7.4.00.0040.01215.26
7.3.330.0030.00313.11
7.3.320.0030.00313.04
7.3.310.0000.00716.20
7.3.300.0000.00716.36
7.3.290.0100.00316.23
7.3.280.0090.00816.26
7.3.270.0070.01117.40
7.3.260.0040.01416.29
7.3.250.0050.01916.33
7.3.240.0040.01316.35
7.3.230.0040.01516.39
7.3.210.0100.01016.59
7.3.200.0140.00619.39
7.3.190.0060.00916.41
7.3.180.0110.00416.29
7.3.170.0030.01216.39
7.3.160.0090.00616.44
7.2.330.0080.01716.61
7.2.320.0150.00316.68
7.2.310.0030.01316.75
7.2.300.0140.00816.56
7.2.290.0090.00616.73
7.2.60.0090.00616.71
7.2.00.0040.01119.04
7.1.200.0040.00715.62
7.1.100.0080.00617.85
7.1.70.0030.00316.96
7.1.60.0070.01719.40
7.1.50.0100.01316.91
7.1.00.0000.08022.28
7.0.200.0210.00614.88
7.0.140.0070.07022.21
7.0.110.0070.05020.01
7.0.100.0130.07719.89
7.0.90.0130.08020.07
7.0.80.0130.07319.85
7.0.70.0030.05019.91
7.0.60.0070.05720.05
7.0.50.0030.09019.87
7.0.40.0000.08019.71
7.0.30.0070.05719.84
7.0.20.0100.07019.85
7.0.10.0030.08319.84
7.0.00.0030.08719.68
5.6.280.0000.07721.03
5.6.260.0170.04020.64
5.6.250.0170.07020.74
5.6.240.0100.05020.70
5.6.230.0070.08720.46
5.6.220.0030.07320.45
5.6.210.0000.07720.52
5.6.200.0070.07720.58
5.6.190.0100.05720.61
5.6.180.0030.04320.64
5.6.170.0100.08020.58
5.6.160.0100.07320.85
5.6.150.0000.04320.55
5.6.140.0030.04020.67
5.6.130.0100.07020.60
5.6.120.0070.04720.62
5.6.110.0030.07320.54
5.6.100.0030.08320.67
5.6.90.0030.07020.59
5.6.80.0000.04720.02
5.6.70.0000.05020.00
5.6.60.0070.07019.98
5.6.50.0130.06019.92
5.6.40.0000.04320.01
5.6.30.0070.07319.96
5.6.20.0130.06719.98
5.6.10.0070.07320.05
5.6.00.0030.08319.96
5.5.380.0130.07317.64
5.5.370.0170.06717.66
5.5.360.0100.07017.65
5.5.350.0170.07317.45
5.5.340.0030.04017.91
5.5.330.0030.04018.23
5.5.320.0030.08017.91
5.5.310.0070.08018.22
5.5.300.0100.06017.90
5.5.290.0070.07318.09
5.5.280.0070.07017.92
5.5.270.0070.06718.22
5.5.260.0070.07718.09
5.5.250.0030.07717.72
5.5.240.0030.08017.61
5.5.230.0070.07317.60
5.5.220.0070.06317.32
5.5.210.0030.08317.42
5.5.200.0030.03717.46
5.5.190.0000.05717.18
5.5.180.0100.05317.45
5.5.160.0070.08017.47
5.5.150.0000.04017.48
5.5.140.0070.07317.25
5.5.130.0100.06317.48
5.5.120.0030.08017.59
5.5.110.0070.07717.27
5.5.100.0100.06717.21
5.5.90.0030.03717.08
5.5.80.0070.07017.08
5.5.70.0130.07017.49
5.5.60.0030.04017.15
5.5.50.0030.06717.33
5.5.40.0030.06717.49
5.5.30.0070.06717.30
5.5.20.0100.07717.14
5.5.10.0030.08017.06
5.5.00.0000.04017.30
5.4.450.0070.08019.49
5.4.440.0100.07319.35
5.4.430.0000.04019.50
5.4.420.0100.03019.27
5.4.410.0070.04019.42
5.4.400.0030.05719.03
5.4.390.0070.07019.03
5.4.380.0030.07719.19
5.4.370.0070.05718.95
5.4.360.0030.05319.18
5.4.350.0030.04718.99
5.4.340.0030.03719.33
5.4.320.0000.04019.35
5.4.310.0030.07319.34
5.4.300.0030.07319.02
5.4.290.0030.07718.98
5.4.280.0030.03718.99
5.4.270.0100.07019.00
5.4.260.0030.06719.01
5.4.250.0030.07318.94
5.4.240.0030.04019.00
5.4.230.0070.07019.00
5.4.220.0000.08319.17
5.4.210.0030.07319.22
5.4.200.0030.07019.13
5.4.190.0070.07719.13
5.4.180.0130.07018.98
5.4.170.0070.03718.99
5.4.160.0070.07019.15
5.4.150.0170.05719.01
5.4.140.0000.04316.56
5.4.130.0030.06716.58
5.4.120.0130.06016.42
5.4.110.0070.08016.42
5.4.100.0100.06016.31
5.4.90.0130.06716.36
5.4.80.0030.05716.49
5.4.70.0030.06716.54
5.4.60.0000.07016.35
5.4.50.0070.07016.44
5.4.40.0130.06016.51
5.4.30.0000.06316.39
5.4.20.0170.04716.53
5.4.10.0070.07016.46
5.4.00.0030.07015.78
5.3.290.0070.07714.70
5.3.280.0030.06714.61
5.3.270.0000.03714.46
5.3.260.0030.07714.61
5.3.250.0030.05014.68
5.3.240.0070.06314.68
5.3.230.0070.03714.68
5.3.220.0030.08014.69
5.3.210.0030.05714.69
5.3.200.0070.07714.57
5.3.190.0070.07314.59
5.3.180.0070.04714.80
5.3.170.0100.07314.57
5.3.160.0070.07314.59
5.3.150.0130.06714.68
5.3.140.0100.07314.56
5.3.130.0100.07314.56
5.3.120.0130.07314.54
5.3.110.0070.05714.54
5.3.100.0100.06713.89
5.3.90.0030.05014.06
5.3.80.0030.07713.86
5.3.70.0130.07013.98
5.3.60.0100.07014.22
5.3.50.0000.06714.08
5.3.40.0030.08014.08
5.3.30.0070.06713.91
5.3.20.0070.06713.67
5.3.10.0030.07013.66
5.3.00.0130.05713.66
5.2.170.0070.06011.95
5.2.160.0070.06311.95
5.2.150.0070.05711.95
5.2.140.0000.05711.95
5.2.130.0170.04311.95
5.2.120.0070.05011.95
5.2.110.0030.06711.95
5.2.100.0130.05711.95
5.2.90.0030.06011.95
5.2.80.0030.03711.95
5.2.70.0070.06011.95
5.2.60.0030.03711.95
5.2.50.0030.04711.95
5.2.40.0030.06311.95
5.2.30.0070.05011.95
5.2.20.0100.03011.95
5.2.10.0100.05711.95
5.2.00.0100.05311.95
5.1.60.0100.04711.95
5.1.50.0100.05011.95
5.1.40.0030.05311.95
5.1.30.0070.05311.95
5.1.20.0030.05011.95
5.1.10.0030.05311.95
5.1.00.0070.05311.95
5.0.50.0030.04711.95
5.0.40.0070.04011.95
5.0.30.0070.03311.95
5.0.20.0000.05311.95
5.0.10.0030.03311.95
5.0.00.0030.07011.95
4.4.90.0030.03711.95
4.4.80.0000.03711.95
4.4.70.0030.03311.95
4.4.60.0030.03711.95
4.4.50.0030.03311.95
4.4.40.0070.04711.95
4.4.30.0000.03311.95
4.4.20.0000.03711.95
4.4.10.0000.02711.95
4.4.00.0000.05311.95
4.3.110.0030.01711.95
4.3.100.0030.03311.95
4.3.90.0070.03011.95
4.3.80.0030.04311.95
4.3.70.0000.03311.95
4.3.60.0070.03011.95
4.3.50.0000.03011.95
4.3.40.0000.05711.95
4.3.30.0000.04011.95
4.3.20.0000.04011.95
4.3.10.0030.02711.95
4.3.00.0000.03311.95

preferences:
39.25 ms | 400 KiB | 5 Q