3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'C' ); for ( $i = 0; $i < 9; $i++ ) { $a = array( 'A', $a, 'B' ); } echo "AAA\n"; var_dump( json_encode( $a, JSON_PARTIAL_OUTPUT_ON_ERROR, 10 ) ); echo "BBB\n"; var_dump( json_last_error() );

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)
8.3.60.0140.00718.03
8.3.50.0120.00821.99
8.3.40.0060.01218.44
8.3.30.0070.00718.59
8.3.20.0000.00818.47
8.3.10.0040.00420.48
8.3.00.0120.00323.56
8.2.180.0100.00718.16
8.2.170.0120.00322.96
8.2.160.0150.00620.40
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0030.00519.50
8.2.110.0110.00020.94
8.2.100.0110.00017.78
8.2.90.0050.00319.30
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0030.00518.13
8.2.30.0000.01018.05
8.2.20.0040.00417.57
8.2.10.0000.00717.66
8.2.00.0000.01017.64
8.1.280.0060.01025.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0050.00228.09
8.1.240.0070.00322.34
8.1.230.0060.00621.04
8.1.220.0000.00818.77
8.1.210.0030.00618.96
8.1.200.0000.01017.35
8.1.190.0030.00617.39
8.1.180.0000.00818.10
8.1.170.0030.00618.91
8.1.160.0000.00718.81
8.1.150.0020.00518.63
8.1.140.0000.00817.35
8.1.130.0030.00317.81
8.1.120.0060.00617.36
8.1.110.0040.00417.39
8.1.100.0050.00317.39
8.1.90.0070.00017.35
8.1.80.0070.00017.43
8.1.70.0070.00017.34
8.1.60.0080.00017.48
8.1.50.0000.00717.46
8.1.40.0030.00617.46
8.1.30.0000.00717.62
8.1.20.0090.00017.65
8.1.10.0040.00417.50
8.1.00.0000.00717.41
8.0.300.0070.00019.90
8.0.290.0070.00016.75
8.0.280.0030.00318.39
8.0.270.0000.00717.15
8.0.260.0030.00316.79
8.0.250.0000.00716.91
8.0.240.0040.00416.95
8.0.230.0040.00417.00
8.0.220.0030.00316.76
8.0.210.0030.00516.79
8.0.200.0030.00316.93
8.0.190.0030.00316.82
8.0.180.0050.00316.86
8.0.170.0050.00516.89
8.0.160.0000.00717.01
8.0.150.0030.00616.78
8.0.140.0070.00016.75
8.0.130.0000.00513.30
8.0.120.0030.00616.73
8.0.110.0000.00916.74
8.0.100.0040.00416.71
8.0.90.0000.00816.77
8.0.80.0100.00716.82
8.0.70.0000.00716.89
8.0.60.0040.00416.77
8.0.50.0030.00516.74
8.0.30.0130.00417.07
8.0.20.0090.01217.40
8.0.10.0040.00416.91
8.0.00.0070.01016.78
7.4.330.0060.00013.43
7.4.320.0070.00016.56
7.4.300.0030.00316.46
7.4.290.0000.00616.57
7.4.280.0070.00016.43
7.4.270.0060.00316.42
7.4.260.0000.00613.16
7.4.250.0030.00516.46
7.4.240.0030.00316.42
7.4.230.0000.00716.30
7.4.220.0120.00616.36
7.4.210.0100.00616.51
7.4.200.0050.00316.46
7.4.190.0000.00716.43
7.4.160.0110.01116.25
7.4.150.0090.00917.40
7.4.140.0150.00617.86
7.4.130.0080.00816.56
7.4.120.0120.00716.47
7.4.110.0040.01316.48
7.4.100.0160.00616.49
7.4.90.0120.00616.49
7.4.80.0130.00519.04
7.4.70.0060.01216.42
7.4.60.0060.01016.34
7.4.50.0060.00316.58
7.4.40.0040.00722.27
7.4.30.0070.01416.52
7.4.00.0030.01315.09
7.3.330.0000.00513.04
7.3.320.0000.00513.11
7.3.310.0040.00416.20
7.3.300.0040.00416.36
7.3.290.0100.00616.21
7.3.280.0070.00916.25
7.3.270.0090.01217.40
7.3.260.0100.00618.24
7.3.250.0100.00716.48
7.3.240.0220.00016.66
7.3.230.0100.01016.39
7.3.210.0120.00916.30
7.3.200.0170.00319.39
7.3.190.0170.00316.20
7.3.180.0070.01016.23
7.3.170.0080.00816.45
7.3.160.0130.00316.27
7.3.120.0060.00914.63
7.3.10.0140.00416.34
7.3.00.0150.00616.20
7.2.330.0100.01016.71
7.2.320.0030.02316.39
7.2.310.0180.00416.41
7.2.300.0060.00916.51
7.2.290.0090.00916.39
7.2.130.0090.01316.46
7.2.120.0120.00816.16
7.2.110.0150.00516.75
7.2.100.0130.00816.53
7.2.90.0150.00916.79
7.2.80.0210.00016.38
7.2.70.0090.00616.33
7.2.60.0170.00016.68
7.2.50.0140.00316.26
7.2.40.0130.00716.09
7.2.30.0200.00316.32
7.2.20.0150.00616.14
7.2.10.0070.01116.39
7.2.00.0080.01017.78
7.1.250.0160.00015.27
7.1.100.0070.00718.03
7.1.70.0000.01016.80
7.1.60.0150.00919.40
7.1.50.0070.01416.70
7.1.00.0000.06722.54
7.0.200.0030.00516.77
7.0.140.0030.06722.09
7.0.90.0070.05719.94
7.0.80.0100.08719.87
7.0.70.0170.04320.00
7.0.60.0200.07319.96
7.0.50.0170.07720.28
7.0.40.0130.08019.94
7.0.30.0170.07320.10
7.0.20.0030.07320.13
7.0.10.0100.08320.05
7.0.00.0100.08020.22
5.6.280.0100.06720.98
5.6.240.0100.08020.63
5.6.230.0000.05320.71
5.6.220.0130.09320.67
5.6.210.0000.06320.76
5.6.200.0070.04721.02
5.6.190.0100.04721.07
5.6.180.0070.07320.93
5.6.170.0130.07321.04
5.6.160.0070.07021.02
5.6.150.0030.09021.13
5.6.140.0030.08721.16
5.6.130.0030.07021.16
5.6.120.0170.06721.16
5.6.110.0030.08721.09
5.6.100.0130.08020.90
5.6.90.0130.06720.92
5.6.80.0100.05320.39
5.6.70.0030.07720.31
5.6.60.0000.08320.30
5.6.50.0170.08720.46
5.6.40.0070.08020.38
5.6.30.0030.04020.31
5.6.20.0030.06320.29
5.6.10.0100.04720.28
5.6.00.0000.06020.26
5.5.380.0070.05720.37
5.5.370.0130.06720.50
5.5.360.0100.07020.55
5.5.350.0070.09020.39
5.5.340.0200.03320.89
5.5.330.0070.07020.68
5.5.320.0070.05020.75
5.5.310.0100.08320.77
5.5.300.0200.07020.82
5.5.290.0070.08720.80
5.5.280.0070.08720.87
5.5.270.0130.05320.76
5.5.260.0070.06020.78
5.5.250.0170.07720.55
5.5.240.0100.07720.25
5.5.230.0100.08020.23
5.5.220.0100.03720.29
5.5.210.0070.05320.17
5.5.200.0100.04319.99
5.5.190.0070.03320.15
5.5.180.0030.07720.18
5.5.160.0000.09020.12
5.5.150.0070.05020.07
5.5.140.0030.05320.21
5.5.130.0030.08320.23
5.5.120.0030.06720.23
5.5.110.0200.05319.98
5.5.100.0070.04720.13
5.5.90.0130.06720.06
5.5.80.0100.08320.12
5.5.70.0070.08019.93
5.5.60.0070.05720.15
5.5.50.0200.06319.92
5.5.40.0070.06019.99
5.5.30.0000.04320.04
5.5.20.0070.08020.14
5.5.10.0100.07020.10
5.5.00.0230.06020.04
5.4.450.0130.05319.18
5.4.440.0100.05319.45
5.4.430.0100.05319.22
5.4.420.0030.08319.55
5.4.410.0100.03719.09
5.4.400.0070.07718.97
5.4.390.0070.07319.04
5.4.380.0170.06719.10
5.4.370.0130.06719.12
5.4.360.0030.06019.09
5.4.350.0100.04319.05
5.4.340.0030.07019.07
5.4.320.0070.05719.05
5.4.310.0070.04018.95
5.4.300.0130.06319.03
5.4.290.0070.04319.24
5.4.280.0030.04719.06
5.4.270.0100.03318.85
5.4.260.0100.07018.89
5.4.250.0100.06019.02
5.4.240.0170.05718.96
5.4.230.0070.07319.12
5.4.220.0100.07718.89
5.4.210.0070.05319.06
5.4.200.0070.04718.96
5.4.190.0030.04018.93
5.4.180.0070.06718.97
5.4.170.0130.07019.02
5.4.160.0000.05719.12
5.4.150.0000.04319.01
5.4.140.0070.03316.02
5.4.130.0030.03716.30
5.4.120.0030.04016.07
5.4.110.0030.04316.23
5.4.100.0000.04316.31
5.4.90.0070.03716.36
5.4.80.0000.03716.36
5.4.70.0000.03716.20
5.4.60.0000.03316.20
5.4.50.0000.04316.28
5.4.40.0030.03716.41
5.4.30.0000.04016.24
5.4.20.0070.03016.32
5.4.10.0130.02316.30
5.4.00.0070.03015.77
5.3.290.0030.05314.66
5.3.280.0030.07014.41
5.3.270.0070.08014.52
5.3.260.0100.04714.54
5.3.250.0070.03314.51
5.3.240.0070.03714.54
5.3.230.0070.04714.43
5.3.220.0070.04014.50
5.3.210.0100.04014.52
5.3.200.0000.04014.52
5.3.190.0000.04314.52
5.3.180.0000.04014.52
5.3.170.0100.02714.41
5.3.160.0000.03714.42
5.3.150.0100.04314.55
5.3.140.0130.03014.46
5.3.130.0030.03714.48
5.3.120.0070.07714.48
5.3.110.0030.04314.53
5.3.100.0030.05714.02
5.3.90.0070.03314.02
5.3.80.0030.03713.97
5.3.70.0070.03314.00
5.3.60.0100.02713.77
5.3.50.0000.07713.88
5.3.40.0030.03713.71
5.3.30.0100.05713.82
5.3.20.0030.03313.68
5.3.10.0000.03713.64
5.3.00.0000.03713.63
5.2.170.0070.04011.19
5.2.160.0000.03011.13
5.2.150.0070.02311.14
5.2.140.0000.03010.97
5.2.130.0030.02311.13
5.2.120.0030.03011.09
5.2.110.0030.03710.95
5.2.100.0000.02311.09
5.2.90.0070.02311.10
5.2.80.0070.02311.13
5.2.70.0070.03011.14
5.2.60.0030.02710.88
5.2.50.0070.02310.88
5.2.40.0030.02310.98
5.2.30.0000.02710.94
5.2.20.0000.02711.01
5.2.10.0030.02310.92
5.2.00.0030.02310.57
5.1.60.0030.0209.82
5.1.50.0000.02010.05
5.1.40.0030.0179.96
5.1.30.0000.02710.19
5.1.20.0000.02310.37
5.1.10.0130.01310.14
5.1.00.0000.02710.11
5.0.50.0000.0209.64
5.0.40.0030.0139.64
5.0.30.0000.0279.64
5.0.20.0000.0179.64
5.0.10.0000.0179.64
5.0.00.0000.0309.64
4.4.90.0000.0139.64
4.4.80.0030.0139.64
4.4.70.0000.0179.64
4.4.60.0030.0109.64
4.4.50.0000.0209.64
4.4.40.0000.0209.64
4.4.30.0030.0109.64
4.4.20.0030.0139.64
4.4.10.0000.0179.64
4.4.00.0000.0209.64
4.3.110.0030.0139.64
4.3.100.0000.0139.64
4.3.90.0000.0139.64
4.3.80.0000.0209.64
4.3.70.0000.0139.64
4.3.60.0030.0109.64
4.3.50.0000.0139.64
4.3.40.0000.0209.64
4.3.30.0000.0139.64
4.3.20.0000.0209.64
4.3.10.0030.0209.64
4.3.00.0000.0239.64

preferences:
32.48 ms | 401 KiB | 5 Q