3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( array( 'id' => 'foo', 'content' => 'bar' ), array( 'id' => 'hello', 'content' => 'world' ) ); var_dump( json_encode($array, JSON_FORCE_OBJECT) );

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)
8.3.60.0140.00716.25
8.3.50.0110.00721.87
8.3.40.0040.01118.75
8.3.30.0030.01019.11
8.3.20.0080.00020.30
8.3.10.0080.00023.66
8.3.00.0000.00819.13
8.2.180.0110.00418.28
8.2.170.0110.00322.96
8.2.160.0030.01020.53
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00726.16
8.2.120.0030.00522.26
8.2.110.0060.00320.29
8.2.100.0060.00617.79
8.2.90.0040.00417.93
8.2.80.0040.00417.97
8.2.70.0060.00317.59
8.2.60.0070.00017.80
8.2.50.0050.00318.07
8.2.40.0040.00418.03
8.2.30.0040.00417.91
8.2.20.0040.00417.52
8.2.10.0040.00418.05
8.2.00.0060.00317.62
8.1.280.0070.00725.92
8.1.270.0080.00022.08
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00022.01
8.1.230.0090.00321.03
8.1.220.0000.00917.74
8.1.210.0050.00518.91
8.1.200.0000.00817.22
8.1.190.0080.00017.30
8.1.180.0030.00619.01
8.1.170.0080.00018.50
8.1.160.0040.00421.81
8.1.150.0050.00218.48
8.1.140.0040.00417.41
8.1.130.0030.00317.82
8.1.120.0080.00017.47
8.1.110.0070.00017.38
8.1.100.0070.00317.32
8.1.90.0070.00017.39
8.1.80.0000.00717.38
8.1.70.0030.00517.39
8.1.60.0000.00817.58
8.1.50.0060.00317.30
8.1.40.0000.00717.46
8.1.30.0040.00417.45
8.1.20.0040.00417.61
8.1.10.0030.00517.45
8.1.00.0030.00617.27
8.0.300.0030.00320.10
8.0.290.0030.00417.05
8.0.280.0050.00318.29
8.0.270.0000.00717.11
8.0.260.0000.00717.11
8.0.250.0000.00716.90
8.0.240.0000.00716.91
8.0.230.0000.00716.83
8.0.220.0070.00016.68
8.0.210.0030.00316.73
8.0.200.0030.00316.91
8.0.190.0040.00416.78
8.0.180.0070.00016.90
8.0.170.0040.00416.83
8.0.160.0040.00416.89
8.0.150.0000.00816.68
8.0.140.0000.00716.69
8.0.130.0000.00713.29
8.0.120.0040.00416.76
8.0.110.0000.00716.73
8.0.100.0070.00016.78
8.0.90.0000.00716.69
8.0.80.0090.00616.70
8.0.70.0040.00416.73
8.0.60.0040.00416.80
8.0.50.0050.00316.82
8.0.30.0090.00916.84
8.0.20.0100.01017.40
8.0.10.0000.00716.92
8.0.00.0120.00916.61
7.4.330.0070.00015.00
7.4.320.0000.00716.43
7.4.300.0030.00316.33
7.4.290.0030.00316.45
7.4.280.0030.00316.46
7.4.270.0000.00716.39
7.4.260.0040.00416.48
7.4.250.0040.00416.45
7.4.240.0050.00216.44
7.4.230.0040.00416.34
7.4.220.0030.01516.64
7.4.210.0090.00716.45
7.4.200.0030.00316.62
7.4.190.0070.00016.60
7.4.160.0000.01516.27
7.4.150.0070.01017.40
7.4.140.0140.00817.86
7.4.130.0070.01116.36
7.4.120.0130.00816.46
7.4.110.0090.00916.57
7.4.100.0140.00916.40
7.4.90.0100.00716.36
7.4.80.0030.01819.39
7.4.70.0060.01116.34
7.4.60.0060.01416.52
7.4.50.0000.00916.47
7.4.40.0030.01322.77
7.4.30.0090.00716.34
7.4.00.0110.00714.94
7.3.330.0000.00713.02
7.3.320.0050.00012.86
7.3.310.0030.00316.17
7.3.300.0030.00316.05
7.3.290.0100.00316.19
7.3.280.0070.01216.16
7.3.270.0100.00717.40
7.3.260.0110.00716.39
7.3.250.0140.00816.26
7.3.240.0030.01616.40
7.3.230.0160.00616.39
7.3.210.0060.01016.50
7.3.200.0120.00619.39
7.3.190.0080.00816.44
7.3.180.0060.01016.17
7.3.170.0110.00416.27
7.3.160.0030.01316.14
7.3.120.0100.00714.84
7.2.330.0070.01116.39
7.2.320.0090.00916.22
7.2.310.0130.01016.61
7.2.300.0110.00616.48
7.2.290.0060.00916.11
7.2.00.0120.00819.07
7.1.100.0000.01018.04
7.1.70.0000.00816.98
7.1.60.0030.02119.33
7.1.50.0000.01816.81
7.1.00.0000.08022.40
7.0.200.0140.01414.71
7.0.140.0100.06722.13
7.0.90.0330.03719.86
7.0.80.0270.03719.87
7.0.70.0370.04019.87
7.0.60.0270.04319.97
7.0.50.0200.04020.28
7.0.40.0100.06720.00
7.0.30.0070.04020.04
7.0.20.0070.04720.13
7.0.10.0170.02720.18
7.0.00.0070.07019.95
5.6.280.0130.06021.13
5.6.240.0000.05320.68
5.6.230.0030.03720.50
5.6.220.0100.03320.62
5.6.210.0000.04320.64
5.6.200.0030.04721.04
5.6.190.0100.08021.11
5.6.180.0000.04321.07
5.6.170.0030.08721.09
5.6.160.0030.05321.01
5.6.150.0070.08321.16
5.6.140.0000.04321.02
5.6.130.0070.06321.10
5.6.120.0100.08321.12
5.6.110.0100.05721.02
5.6.100.0070.07320.96
5.6.90.0100.04720.99
5.6.80.0100.08020.32
5.6.70.0030.08720.37
5.6.60.0070.08020.50
5.6.50.0030.04720.38
5.6.40.0130.03320.41
5.6.30.0030.04320.46
5.6.20.0100.05320.28
5.6.10.0170.03020.43
5.6.00.0170.07020.41
5.5.380.0000.05720.38
5.5.370.0070.04020.43
5.5.360.0000.04320.35
5.5.350.0030.04020.39
5.5.340.0030.06720.82
5.5.330.0030.04020.75
5.5.320.0030.05320.86
5.5.310.0070.03720.91
5.5.300.0030.04020.82
5.5.290.0000.04320.92
5.5.280.0030.05720.88
5.5.270.0100.07020.79
5.5.260.0100.08020.63
5.5.250.0100.08020.59
5.5.240.0030.05320.23
5.5.230.0070.05720.27
5.5.220.0030.08020.27
5.5.210.0070.08020.01
5.5.200.0070.04320.14
5.5.190.0000.04320.20
5.5.180.0100.03720.12
5.5.160.0030.05320.24
5.5.150.0070.08320.22
5.5.140.0130.06720.18
5.5.130.0070.05720.11
5.5.120.0130.06020.09
5.5.110.0230.06720.22
5.5.100.0030.06020.13
5.5.90.0000.09020.15
5.5.80.0100.07319.96
5.5.70.0070.04020.15
5.5.60.0030.08320.05
5.5.50.0030.05719.95
5.5.40.0100.07320.06
5.5.30.0070.06719.98
5.5.20.0030.07720.13
5.5.10.0130.07020.08
5.5.00.0170.07020.10
5.4.450.0070.07319.35
5.4.440.0070.05319.42
5.4.430.0070.08319.55
5.4.420.0070.08319.41
5.4.410.0030.07019.43
5.4.400.0100.06718.97
5.4.390.0070.04719.06
5.4.380.0130.07319.03
5.4.370.0030.05719.12
5.4.360.0070.07719.03
5.4.350.0070.06319.07
5.4.340.0100.07318.79
5.4.320.0030.05019.10
5.4.310.0070.07319.13
5.4.300.0130.07319.02
5.4.290.0070.08019.09
5.4.280.0130.06018.89
5.4.270.0070.05018.80
5.4.260.0130.06719.02
5.4.250.0070.07319.11
5.4.240.0070.06718.93
5.4.230.0030.04019.11
5.4.220.0100.07019.02
5.4.210.0130.06018.78
5.4.200.0030.07719.02
5.4.190.0130.06719.02
5.4.180.0030.04719.06
5.4.170.0200.06319.04
5.4.160.0070.07319.09
5.4.150.0070.03719.06
5.4.140.0070.07716.22
5.4.130.0030.07716.28
5.4.120.0070.07016.30
5.4.110.0030.04016.40
5.4.100.0070.07316.21
5.4.90.0170.05716.37
5.4.80.0070.04016.34
5.4.70.0100.07016.25
5.4.60.0100.07016.42
5.4.50.0130.04716.33
5.4.40.0070.07016.38
5.4.30.0070.06716.18
5.4.20.0100.04316.38
5.4.10.0030.07716.32
5.4.00.0100.06315.75
5.3.290.0100.07014.52
5.3.280.0100.07714.45
5.3.270.0100.07714.58
5.3.260.0100.08014.47
5.3.250.0030.04014.58
5.3.240.0130.07014.56
5.3.230.0030.07714.50
5.3.220.0030.07314.43
5.3.210.0030.04714.43
5.3.200.0030.07014.52
5.3.190.0100.07014.42
5.3.180.0000.07014.55
5.3.170.0130.02714.42
5.3.160.0070.08014.54
5.3.150.0130.06014.56
5.3.140.0030.04714.56
5.3.130.0030.08014.54
5.3.120.0100.07714.38
5.3.110.0170.06714.40
5.3.100.0100.07314.04
5.3.90.0030.07014.01
5.3.80.0130.05313.78
5.3.70.0070.06313.88
5.3.60.0030.04313.96
5.3.50.0030.04013.80
5.3.40.0130.06713.93
5.3.30.0100.06713.86
5.3.20.0030.04013.67
5.3.10.0170.05713.66
5.3.00.0000.07313.59
5.2.170.0070.06011.62
5.2.160.0100.04711.62
5.2.150.0100.05311.62
5.2.140.0070.05711.62
5.2.130.0130.05011.62
5.2.120.0070.05011.62
5.2.110.0070.05311.62
5.2.100.0030.06011.62
5.2.90.0030.03311.62
5.2.80.0070.05711.62
5.2.70.0000.05311.62
5.2.60.0100.04311.62
5.2.50.0000.05311.62
5.2.40.0030.05311.62
5.2.30.0100.04311.62
5.2.20.0170.03011.62
5.2.10.0070.04311.62
5.2.00.0100.05011.62
5.1.60.0070.03711.62
5.1.50.0100.05011.62
5.1.40.0000.05711.62
5.1.30.0070.03311.62
5.1.20.0070.02711.62
5.1.10.0070.04711.62
5.1.00.0070.05311.62
5.0.50.0000.03011.62
5.0.40.0000.03011.62
5.0.30.0070.04711.62
5.0.20.0070.04011.62
5.0.10.0000.03711.62
5.0.00.0030.06011.62
4.4.90.0030.02011.62
4.4.80.0000.03311.62
4.4.70.0070.02711.62
4.4.60.0030.03311.62
4.4.50.0030.03311.62
4.4.40.0030.05311.62
4.4.30.0000.03711.62
4.4.20.0070.01711.62
4.4.10.0030.03311.62
4.4.00.0000.05311.62
4.3.110.0000.03711.62
4.3.100.0030.03311.62
4.3.90.0030.03011.62
4.3.80.0030.05011.62
4.3.70.0030.03011.62
4.3.60.0000.02311.62
4.3.50.0100.01011.62
4.3.40.0000.02711.62
4.3.30.0000.03311.62
4.3.20.0000.03011.62
4.3.10.0030.03011.62
4.3.00.0000.03011.62

preferences:
41.89 ms | 401 KiB | 5 Q