3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a["aa"] = "bb"; $a["aaa"] = "bbb"; $a = json_encode($a); print_r($a); print_r((array)$a); print_r(get_object_vars(json_decode($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)
8.3.40.0100.01018.80
8.3.30.0090.00618.96
8.3.20.0030.00620.29
8.3.10.0040.00820.33
8.3.00.0000.00819.38
8.2.170.0140.00722.96
8.2.160.0110.00420.21
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00321.03
8.2.110.0040.00419.20
8.2.100.0080.00417.84
8.2.90.0060.00319.05
8.2.80.0030.00617.97
8.2.70.0040.00417.37
8.2.60.0060.00317.91
8.2.50.0030.00618.07
8.2.40.0050.00318.16
8.2.30.0040.00419.41
8.2.20.0050.00217.59
8.2.10.0040.00419.72
8.2.00.0030.00617.64
8.1.270.0060.00323.84
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0070.00421.95
8.1.230.0110.00020.85
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00717.23
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0000.00818.51
8.1.160.0070.00021.93
8.1.150.0040.00418.85
8.1.140.0040.00417.39
8.1.130.0030.00317.79
8.1.120.0080.00017.47
8.1.110.0070.00017.31
8.1.100.0070.00017.29
8.1.90.0070.00017.43
8.1.80.0030.00517.27
8.1.70.0030.00317.45
8.1.60.0030.00517.58
8.1.50.0000.00817.48
8.1.40.0040.00417.52
8.1.30.0040.00417.66
8.1.20.0050.00317.54
8.1.10.0040.00417.38
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.46
8.0.270.0030.00317.10
8.0.260.0030.00317.09
8.0.250.0040.00416.75
8.0.240.0080.00316.90
8.0.230.0070.00016.78
8.0.220.0030.00316.91
8.0.210.0070.00016.89
8.0.200.0030.00616.76
8.0.190.0000.00816.78
8.0.180.0000.00716.73
8.0.170.0080.00016.70
8.0.160.0000.00716.91
8.0.150.0050.00316.75
8.0.140.0060.00316.85
8.0.130.0030.00313.26
8.0.120.0040.00416.70
8.0.110.0070.00016.71
8.0.100.0050.00316.88
8.0.90.0050.00316.72
8.0.80.0060.00916.81
8.0.70.0000.00916.79
8.0.60.0050.00316.89
8.0.50.0000.00716.73
8.0.30.0100.01017.04
8.0.20.0090.00917.40
8.0.10.0040.00416.83
8.0.00.0090.00916.64
7.4.330.0000.00515.02
7.4.320.0030.00316.43
7.4.300.0000.00616.50
7.4.290.0030.00316.47
7.4.280.0040.00416.61
7.4.270.0000.00716.50
7.4.260.0070.00316.60
7.4.250.0000.00716.57
7.4.240.0050.00216.56
7.4.230.0000.00716.63
7.4.220.0050.01416.57
7.4.210.0130.00016.62
7.4.200.0000.00716.61
7.4.160.0070.01016.25
7.4.150.0070.01317.40
7.4.140.0080.00817.86
7.4.130.0080.00816.51
7.4.120.0100.00816.43
7.4.110.0060.00916.34
7.4.100.0100.00616.68
7.4.90.0120.00616.52
7.4.80.0160.00319.39
7.4.70.0070.01016.57
7.4.60.0110.00516.47
7.4.50.0000.00816.49
7.4.40.0110.00516.41
7.4.30.0070.00716.58
7.4.00.0000.00815.00
7.3.330.0060.00013.08
7.3.320.0000.00713.05
7.3.310.0000.00616.20
7.3.300.0070.00016.21
7.3.290.0090.00616.26
7.3.280.0080.00816.29
7.3.270.0190.00717.40
7.3.260.0070.01016.38
7.3.250.0060.01916.39
7.3.240.0110.00616.55
7.3.230.0120.00916.39
7.3.210.0110.01116.40
7.3.200.0060.01219.39
7.3.190.0180.00616.32
7.3.180.0080.00816.31
7.3.170.0060.01716.27
7.3.160.0110.00716.38
7.3.10.0070.01316.37
7.3.00.0090.01116.56
7.2.330.0060.01216.66
7.2.320.0080.00816.63
7.2.310.0120.00816.60
7.2.300.0160.00616.73
7.2.290.0130.00316.56
7.2.130.0080.01316.77
7.2.120.0110.01116.46
7.2.110.0140.00616.40
7.2.100.0100.00916.80
7.2.90.0120.00816.69
7.2.80.0130.00816.75
7.2.70.0160.00916.88
7.2.60.0100.00716.60
7.2.50.0090.00916.57
7.2.40.0120.00616.56
7.2.30.0090.01016.58
7.2.20.0080.01216.67
7.2.10.0110.00816.57
7.2.00.0100.01016.87
7.1.250.0070.01215.61
7.1.200.0090.00915.50
7.1.70.0030.00617.09
7.1.60.0140.01019.61
7.1.50.0070.01416.63
7.1.00.0170.06022.24
7.0.200.0030.00516.81
7.0.140.0070.06722.07
7.0.90.0630.07019.91
7.0.80.0070.06319.97
7.0.70.0600.06019.85
7.0.60.0030.08019.97
7.0.50.0130.07320.28
7.0.40.0130.07320.08
7.0.30.0100.08320.13
7.0.20.0170.07720.04
7.0.10.0070.05720.12
7.0.00.0130.06020.08
5.6.280.0030.07021.07
5.6.240.0070.08720.58
5.6.230.0070.05020.65
5.6.220.0100.03720.70
5.6.210.0070.07720.66
5.6.200.0070.07721.00
5.6.190.0030.09020.94
5.6.180.0130.08021.04
5.6.170.0100.08021.07
5.6.160.0070.08721.00
5.6.150.0070.05021.08
5.6.140.0070.08321.05
5.6.130.0100.06321.10
5.6.120.0030.05721.03
5.6.110.0170.07721.07
5.6.100.0030.08721.04
5.6.90.0200.06720.93
5.6.80.0030.05320.48
5.6.70.0000.07720.54
5.6.60.0030.04720.38
5.6.50.0100.07720.45
5.6.40.0100.07020.45
5.6.30.0030.08020.31
5.6.20.0100.04020.38
5.6.10.0030.04320.37
5.6.00.0130.06720.45
5.5.380.0100.07020.36
5.5.370.0070.05020.34
5.5.360.0030.08020.49
5.5.350.0100.07020.45
5.5.340.0100.05020.71
5.5.330.0000.08320.89
5.5.320.0030.07020.82
5.5.310.0170.08020.86
5.5.300.0030.04320.81
5.5.290.0170.05720.91
5.5.280.0070.05320.82
5.5.270.0170.07320.88
5.5.260.0030.08320.89
5.5.250.0070.08020.43
5.5.240.0000.08020.18
5.5.230.0100.07320.17
5.5.220.0200.06020.25
5.5.210.0170.06020.26
5.5.200.0030.06020.07
5.5.190.0130.07720.21
5.5.180.0130.07020.21
5.5.160.0130.04720.20
5.5.150.0070.03720.14
5.5.140.0070.08320.17
5.5.130.0170.07020.22
5.5.120.0170.07020.07
5.5.110.0100.07320.09
5.5.100.0030.04320.07
5.5.90.0200.07019.93
5.5.80.0100.04020.05
5.5.70.0170.06020.10
5.5.60.0030.07720.07
5.5.50.0030.04719.95
5.5.40.0070.06020.08
5.5.30.0170.07020.04
5.5.20.0100.06320.13
5.5.10.0030.04720.02
5.5.00.0030.05020.05
5.4.450.0170.03719.56
5.4.440.0130.07719.37
5.4.430.0100.07719.45
5.4.420.0000.05319.36
5.4.410.0100.06319.04
5.4.400.0070.07719.05
5.4.390.0000.07019.03
5.4.380.0100.07319.05
5.4.370.0070.03719.16
5.4.360.0100.04019.00
5.4.350.0070.04719.06
5.4.340.0100.05019.21
5.4.320.0170.07318.92
5.4.310.0100.03719.22
5.4.300.0030.05718.94
5.4.290.0070.07719.20
5.4.280.0130.07019.16
5.4.270.0100.07018.90
5.4.260.0100.06719.10
5.4.250.0100.06719.12
5.4.240.0030.07718.84
5.4.230.0100.07318.94
5.4.220.0030.08319.20
5.4.210.0070.07019.13
5.4.200.0100.07319.20
5.4.190.0100.07319.13
5.4.180.0170.05019.14
5.4.170.0070.06718.96
5.4.160.0130.06719.18
5.4.150.0100.07318.89
5.4.140.0030.07716.41
5.4.130.0130.03016.42
5.4.120.0000.07316.38
5.4.110.0100.07016.46
5.4.100.0100.06316.43
5.4.90.0070.07716.34
5.4.80.0030.04316.49
5.4.70.0030.03716.33
5.4.60.0200.06016.40
5.4.50.0100.07016.36
5.4.40.0130.02316.49
5.4.30.0100.06016.32
5.4.20.0100.06716.39
5.4.10.0070.04716.46
5.4.00.0100.03015.83
5.3.290.0100.06714.64
5.3.280.0070.07714.70
5.3.270.0030.05714.55
5.3.260.0130.07014.63
5.3.250.0030.07714.61
5.3.240.0070.07014.73
5.3.230.0200.05314.65
5.3.220.0070.05314.51
5.3.210.0070.07714.66
5.3.200.0070.07014.62
5.3.190.0070.07014.57
5.3.180.0170.06314.66
5.3.170.0030.07314.55
5.3.160.0100.03014.65
5.3.150.0100.07014.54
5.3.140.0130.06014.55
5.3.130.0070.06714.61
5.3.120.0100.06014.57
5.3.110.0100.03014.59
5.3.100.0070.06714.03
5.3.90.0070.05314.03
5.3.80.0030.07713.91
5.3.70.0100.06013.91
5.3.60.0130.03014.13
5.3.50.0000.05013.95
5.3.40.0130.06013.96
5.3.30.0000.04013.91
5.3.20.0100.04313.71
5.3.10.0200.06713.70
5.3.00.0170.02313.72
5.2.170.0100.05711.23
5.2.160.0030.06011.24
5.2.150.0000.03711.24
5.2.140.0070.03311.04
5.2.130.0070.06011.20
5.2.120.0070.04711.12
5.2.110.0100.05311.12
5.2.100.0030.06711.23
5.2.90.0170.05011.01
5.2.80.0070.05711.14
5.2.70.0130.06011.14
5.2.60.0100.06011.10
5.2.50.0070.05711.00
5.2.40.0130.06011.05
5.2.30.0030.05710.99
5.2.20.0100.05310.86
5.2.10.0030.03310.87
5.2.00.0030.05710.57
5.1.60.0030.0579.99
5.1.50.0000.03310.05
5.1.40.0070.0539.99
5.1.30.0030.06010.35
5.1.20.0030.03710.29
5.1.10.0030.0409.89
5.1.00.0070.0279.90
5.0.50.0000.0408.52
5.0.40.0030.0438.40
5.0.30.0070.0438.22
5.0.20.0030.0378.18
5.0.10.0030.0338.17
5.0.00.0000.0707.98
4.4.90.0030.0277.19
4.4.80.0100.0277.19
4.4.70.0030.0307.19
4.4.60.0100.0207.19
4.4.50.0130.0207.19
4.4.40.0070.0537.19
4.4.30.0030.0377.19
4.4.20.0000.0307.19
4.4.10.0070.0107.19
4.4.00.0070.0507.19
4.3.110.0000.0337.19
4.3.100.0030.0207.19
4.3.90.0030.0377.19
4.3.80.0030.0377.19
4.3.70.0000.0207.19
4.3.60.0000.0307.19
4.3.50.0000.0307.19
4.3.40.0030.0507.19
4.3.30.0000.0377.19
4.3.20.0000.0377.19
4.3.10.0000.0377.19
4.3.00.0000.0177.19

preferences:
38.86 ms | 400 KiB | 5 Q