3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5); echo $str = json_encode($arr); echo "\n"; echo $str = json_decode($str, false, 512, JSON_BIGINT_AS_STRING);

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)
8.3.40.0140.00318.66
8.3.30.0070.00718.94
8.3.20.0040.00420.05
8.3.10.0030.00623.53
8.3.00.0080.00019.13
8.2.170.0060.01222.96
8.2.160.0140.00020.25
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00420.72
8.2.110.0090.00019.21
8.2.100.0080.00417.72
8.2.90.0060.00317.75
8.2.80.0040.00417.97
8.2.70.0000.00818.03
8.2.60.0040.00417.93
8.2.50.0060.00318.10
8.2.40.0060.00322.27
8.2.30.0040.00418.35
8.2.20.0070.00017.61
8.2.10.0000.00817.98
8.2.00.0000.00817.74
8.1.270.0000.00924.01
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0060.01023.64
8.1.230.0000.01120.85
8.1.220.0000.00817.79
8.1.210.0000.00818.77
8.1.200.0070.00417.22
8.1.190.0050.00317.22
8.1.180.0070.00318.10
8.1.170.0030.00618.48
8.1.160.0000.00721.80
8.1.150.0030.00518.47
8.1.140.0070.00017.29
8.1.130.0000.00717.80
8.1.120.0000.00717.32
8.1.110.0000.00717.36
8.1.100.0000.00817.37
8.1.90.0000.00717.27
8.1.80.0030.00617.36
8.1.70.0030.00317.34
8.1.60.0080.00017.39
8.1.50.0060.00317.46
8.1.40.0080.00017.44
8.1.30.0000.00817.53
8.1.20.0060.00317.66
8.1.10.0000.00817.46
8.1.00.0000.00817.52
8.0.300.0060.00319.88
8.0.290.0000.00716.88
8.0.280.0030.00318.42
8.0.270.0070.00017.25
8.0.260.0070.00017.25
8.0.250.0040.00417.06
8.0.240.0000.00716.89
8.0.230.0000.00716.96
8.0.220.0000.00716.75
8.0.210.0000.00716.80
8.0.200.0030.00316.98
8.0.190.0040.00416.87
8.0.180.0030.00316.88
8.0.170.0040.00416.95
8.0.160.0040.00416.92
8.0.150.0040.00416.71
8.0.140.0070.00016.86
8.0.130.0060.00013.32
8.0.120.0080.00016.77
8.0.110.0070.00016.79
8.0.100.0070.00016.75
8.0.90.0050.00216.97
8.0.80.0110.01116.87
8.0.70.0000.00716.71
8.0.60.0040.00416.89
8.0.50.0040.00416.75
8.0.30.0140.00517.07
8.0.20.0100.00917.40
8.0.10.0000.00716.86
8.0.00.0090.00816.95
7.4.330.0000.00615.06
7.4.320.0030.00316.50
7.4.300.0000.00616.65
7.4.290.0000.00816.56
7.4.280.0000.00716.47
7.4.270.0000.00716.60
7.4.260.0080.00016.57
7.4.250.0070.00016.51
7.4.240.0050.00316.48
7.4.230.0030.00316.68
7.4.220.0100.00916.63
7.4.210.0050.00816.48
7.4.200.0020.00516.59
7.4.190.0040.00516.58
7.4.160.0090.00616.28
7.4.150.0100.00717.40
7.4.140.0100.01117.86
7.4.130.0110.00716.38
7.4.120.0100.00816.64
7.4.110.0030.01216.46
7.4.100.0100.00616.53
7.4.90.0120.01216.35
7.4.80.0060.01219.39
7.4.70.0090.01216.63
7.4.60.0100.01016.41
7.4.50.0000.00516.59
7.4.40.0090.00616.64
7.4.30.0180.00016.52
7.4.00.0070.00714.80
7.3.330.0000.00513.03
7.3.320.0060.00013.13
7.3.310.0000.00716.18
7.3.300.0000.00716.21
7.3.290.0030.01516.30
7.3.280.0060.01216.21
7.3.270.0040.01217.40
7.3.260.0140.00416.26
7.3.250.0120.00716.33
7.3.240.0060.00916.17
7.3.230.0080.00816.45
7.3.210.0070.01016.51
7.3.200.0130.00319.39
7.3.190.0040.01416.28
7.3.180.0130.00316.35
7.3.170.0030.01216.27
7.3.160.0130.00316.20
7.3.120.0070.01014.89
7.2.330.0030.01316.63
7.2.320.0100.00616.44
7.2.310.0040.01216.43
7.2.300.0120.00416.68
7.2.290.0070.01616.32
7.2.60.0140.00716.38
7.2.00.0030.01319.36
7.1.200.0000.01315.65
7.1.100.0040.00718.15
7.1.70.0090.00416.72
7.1.60.0110.01519.46
7.1.50.0070.00716.81
7.1.00.0100.07022.36
7.0.200.0030.00616.73
7.0.140.0000.07722.07
7.0.90.0530.08719.82
7.0.80.0630.07719.87
7.0.70.0470.03319.92
7.0.60.0330.04719.91
7.0.50.0400.04320.24
7.0.40.0030.04320.15
7.0.30.0030.04319.98
7.0.20.0070.03719.99
7.0.10.0000.05319.99
7.0.00.0170.06020.03
5.6.280.0100.06321.02
5.6.240.0130.07720.55
5.6.230.0200.05020.60
5.6.220.0030.07320.44
5.6.210.0070.05720.63
5.6.200.0100.03721.06
5.6.190.0030.04321.03
5.6.180.0000.07321.00
5.6.170.0030.03720.96
5.6.160.0070.03720.92
5.6.150.0100.06721.05
5.6.140.0000.04320.95
5.6.130.0070.03321.10
5.6.120.0000.04321.11
5.6.110.0100.03021.00
5.6.100.0100.04720.93
5.6.90.0070.04021.02
5.6.80.0000.03720.41
5.6.70.0100.03320.45
5.6.60.0030.04020.50
5.6.50.0000.04320.49
5.6.40.0030.04020.29
5.6.30.0170.02320.31
5.6.20.0000.04320.35
5.6.10.0070.06720.31
5.6.00.0130.02320.36
5.5.380.0030.04320.49
5.5.370.0170.07720.52
5.5.360.0000.04320.38
5.5.350.0030.04020.29
5.5.340.0100.03320.81
5.5.330.0030.04720.93
5.5.320.0000.04320.79
5.5.310.0030.08320.85
5.5.300.0030.05720.79
5.5.290.0100.03720.89
5.5.280.0000.04020.89
5.5.270.0030.06020.90
5.5.260.0030.06020.71
5.5.250.0030.03720.65
5.5.240.0030.06020.30
5.5.230.0100.03320.23
5.5.220.0070.04320.13
5.5.210.0070.03720.29
5.5.200.0030.06720.23
5.5.190.0070.03020.23
5.5.180.0030.06720.15
5.5.160.0000.04319.98
5.5.150.0100.07320.24
5.5.140.0170.07320.23
5.5.130.0030.06020.22
5.5.120.0030.04720.21
5.5.110.0130.07720.13
5.5.100.0100.07719.96
5.5.90.0030.07320.09
5.5.80.0070.07320.14
5.5.70.0130.06720.05
5.5.60.0100.06720.05
5.5.50.0070.05720.05
5.5.40.0030.07720.09
5.5.30.0030.07719.99
5.5.20.0070.04719.91
5.5.10.0100.06720.06
5.5.00.0170.06320.02
5.4.450.0100.07319.38
5.4.440.0030.03319.44
5.4.430.0030.05719.28
5.4.420.0100.03319.45
5.4.410.0000.04719.16
5.4.400.0070.03319.05
5.4.390.0030.03318.96
5.4.380.0030.03718.81
5.4.370.0030.03719.09
5.4.360.0170.02319.09
5.4.350.0100.03018.98
5.4.340.0100.05319.12
5.4.320.0170.06019.03
5.4.310.0030.08018.98
5.4.300.0070.08019.12
5.4.290.0070.07318.94
5.4.280.0100.05019.05
5.4.270.0170.05319.09
5.4.260.0070.08018.89
5.4.250.0100.04718.95
5.4.240.0000.08319.08
5.4.230.0130.07019.00
5.4.220.0170.06719.04
5.4.210.0000.08318.80
5.4.200.0030.08318.98
5.4.190.0100.06019.01
5.4.180.0000.07018.97
5.4.170.0100.07318.95
5.4.160.0070.08319.14
5.4.150.0000.08019.18
5.4.140.0130.05016.24
5.4.130.0030.07716.22
5.4.120.0030.07016.23
5.4.110.0030.07316.36
5.4.100.0170.06716.18
5.4.90.0070.07016.38
5.4.80.0030.07316.31
5.4.70.0130.03016.39
5.4.60.0070.03316.33
5.4.50.0100.06316.21
5.4.40.0070.05016.33
5.4.30.0030.08016.20
5.4.20.0070.07016.41
5.4.10.0170.05716.18
5.4.00.0070.07015.75
5.3.290.0030.05714.61
5.3.280.0100.07314.59
5.3.270.0070.08314.52
5.3.260.0070.07314.46
5.3.250.0070.06314.46
5.3.240.0070.07314.42
5.3.230.0100.05014.57
5.3.220.0070.04714.56
5.3.210.0070.07314.38
5.3.200.0000.04714.56
5.3.190.0030.08014.48
5.3.180.0100.05714.52
5.3.170.0070.05714.38
5.3.160.0130.07014.40
5.3.150.0130.05014.38
5.3.140.0200.06714.54
5.3.130.0030.05014.52
5.3.120.0100.08014.49
5.3.110.0100.08014.53
5.3.100.0070.08014.02
5.3.90.0070.07313.88
5.3.80.0000.04313.86
5.3.70.0000.07313.98
5.3.60.0070.06314.00
5.3.50.0070.03313.90
5.3.40.0000.07313.93
5.3.30.0130.07013.77
5.3.20.0030.07713.67
5.3.10.0070.05013.64
5.3.00.0070.05013.59
5.2.170.0000.04311.06
5.2.160.0030.05011.13
5.2.150.0000.06711.14
5.2.140.0070.06311.17
5.2.130.0130.04011.09
5.2.120.0130.05711.06
5.2.110.0100.03011.15
5.2.100.0030.06011.02
5.2.90.0030.06011.09
5.2.80.0000.04711.11
5.2.70.0100.06011.12
5.2.60.0070.05711.00
5.2.50.0030.05711.00
5.2.40.0130.04311.04
5.2.30.0030.05710.96
5.2.20.0100.05310.96
5.2.10.0100.05010.93
5.2.00.0000.06310.78
5.1.60.0030.02710.04
5.1.50.0070.0509.99
5.1.40.0000.05310.05
5.1.30.0000.04310.29
5.1.20.0030.06010.20
5.1.10.0000.06010.09
5.1.00.0070.04310.06
5.0.50.0000.0278.63
5.0.40.0030.0438.39
5.0.30.0070.0608.20
5.0.20.0070.0408.21
5.0.10.0000.0408.25
5.0.00.0070.0638.23
4.4.90.0030.0307.20
4.4.80.0000.0377.20
4.4.70.0000.0277.20
4.4.60.0000.0207.20
4.4.50.0030.0337.20
4.4.40.0070.0277.20
4.4.30.0070.0337.20
4.4.20.0030.0337.20
4.4.10.0000.0277.20
4.4.00.0000.0337.20
4.3.110.0070.0307.20
4.3.100.0000.0377.20
4.3.90.0000.0307.20
4.3.80.0030.0537.20
4.3.70.0000.0337.20
4.3.60.0000.0337.20
4.3.50.0000.0277.20
4.3.40.0000.0507.20
4.3.30.0000.0377.20
4.3.20.0000.0337.20
4.3.10.0000.0377.20
4.3.00.0070.0207.20

preferences:
41.24 ms | 400 KiB | 5 Q