3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); for ( $i = 0; $i < 600; $i++ ) { $a = array( 'A', $a, 'B' ); } echo "AAA\n"; var_dump( json_encode( $a, JSON_PARTIAL_OUTPUT_ON_ERROR, 512 ) ); 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)
8.3.60.0070.00718.30
8.3.50.0090.00922.07
8.3.40.0080.00819.22
8.3.30.0090.00619.47
8.3.20.0050.00320.45
8.3.10.0000.00823.65
8.3.00.0060.00319.30
8.2.180.0120.00317.00
8.2.170.0190.00422.96
8.2.160.0150.00320.68
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00420.98
8.2.110.0000.01022.49
8.2.100.0090.00318.03
8.2.90.0050.00319.47
8.2.80.0040.00418.00
8.2.70.0080.00017.88
8.2.60.0000.01217.99
8.2.50.0040.00418.07
8.2.40.0040.00421.36
8.2.30.0000.00718.43
8.2.20.0040.00418.02
8.2.10.0040.00418.43
8.2.00.0030.00518.15
8.1.280.0090.00625.92
8.1.270.0090.00024.16
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0080.00419.32
8.1.230.0090.00319.34
8.1.220.0080.00017.91
8.1.210.0000.00818.77
8.1.200.0030.00617.60
8.1.190.0030.00517.50
8.1.180.0040.00418.10
8.1.170.0040.00418.88
8.1.160.0030.00622.30
8.1.150.0000.00718.93
8.1.140.0030.00617.88
8.1.130.0070.00018.31
8.1.120.0050.00217.82
8.1.110.0040.00417.71
8.1.100.0000.00817.79
8.1.90.0040.00417.75
8.1.80.0040.00417.73
8.1.70.0000.00717.83
8.1.60.0090.00317.90
8.1.50.0000.00817.80
8.1.40.0090.00317.79
8.1.30.0050.00317.93
8.1.20.0000.00817.88
8.1.10.0040.00417.88
8.1.00.0030.00517.81
8.0.300.0050.00318.77
8.0.290.0000.00917.13
8.0.280.0070.00018.83
8.0.270.0030.00617.54
8.0.260.0000.00717.65
8.0.250.0030.00317.30
8.0.240.0000.00717.37
8.0.230.0040.00317.26
8.0.220.0030.00417.25
8.0.210.0080.00017.29
8.0.200.0030.00317.33
8.0.190.0040.00417.19
8.0.180.0040.00417.28
8.0.170.0080.00017.29
8.0.160.0000.00717.37
8.0.150.0070.00017.12
8.0.140.0030.00517.28
8.0.130.0060.00313.69
8.0.120.0030.00517.23
8.0.110.0050.00317.26
8.0.100.0000.00817.25
8.0.90.0000.00817.31
8.0.80.0120.00617.14
8.0.70.0000.00817.14
8.0.60.0020.00517.25
8.0.50.0000.00717.20
8.0.30.0120.00717.38
8.0.20.0150.00517.40
8.0.10.0070.00017.18
8.0.00.0080.01117.12
7.4.330.0000.00515.25
7.4.320.0030.00316.79
7.4.300.0070.00016.95
7.4.290.0000.00816.90
7.4.280.0000.00816.96
7.4.270.0070.00016.98
7.4.260.0030.00516.88
7.4.250.0040.00416.83
7.4.240.0030.00516.92
7.4.230.0030.00316.91
7.4.220.0100.01016.92
7.4.210.0060.00916.98
7.4.200.0030.00716.92
7.4.190.0040.00417.15
7.4.160.0100.00716.84
7.4.150.0070.01417.40
7.4.140.0130.00717.86
7.4.130.0080.00916.84
7.4.120.0080.01116.92
7.4.110.0120.00616.85
7.4.100.0190.00617.00
7.4.90.0110.00716.64
7.4.80.0140.01119.39
7.4.70.0090.00916.82
7.4.60.0060.01316.88
7.4.50.0000.00417.07
7.4.40.0130.00416.81
7.4.30.0090.00916.99
7.4.00.0070.01015.24
7.3.330.0030.00313.54
7.3.320.0030.00313.52
7.3.310.0040.00416.57
7.3.300.0070.00016.62
7.3.290.0120.00316.59
7.3.280.0090.00816.58
7.3.270.0100.00717.40
7.3.260.0040.01416.59
7.3.250.0120.01116.77
7.3.240.0100.01616.79
7.3.230.0180.00316.68
7.3.210.0130.01016.74
7.3.200.0110.00719.39
7.3.190.0100.01017.04
7.3.180.0100.01016.60
7.3.170.0030.01316.92
7.3.160.0140.00316.59
7.3.120.0080.00615.01
7.2.330.0120.00917.20
7.2.320.0070.01016.93
7.2.310.0140.01116.98
7.2.300.0110.00616.83
7.2.290.0120.01216.79
7.2.60.0090.00317.05
7.1.200.0060.00616.04
7.1.70.0070.00717.42
7.1.60.0130.01319.46
7.1.50.0060.01316.79
7.1.00.0030.07722.45
7.0.200.0050.00516.96
7.0.140.0070.07022.14
7.0.90.0600.07320.23
7.0.80.0230.07020.36
7.0.70.0570.04320.27
7.0.60.0630.07320.32
7.0.50.0630.04720.68
7.0.40.0030.08020.18
7.0.30.0170.07720.25
7.0.20.0100.08020.23
7.0.10.0070.06720.22
7.0.00.0170.06320.23
5.6.280.0030.07022.01
5.6.240.0000.07321.74
5.6.230.0130.07721.72
5.6.220.0070.08021.71
5.6.210.0070.06021.77
5.6.200.0070.04722.05
5.6.190.0030.08322.15
5.6.180.0070.05022.16
5.6.170.0130.04322.05
5.6.160.0170.07022.12
5.6.150.0100.08022.14
5.6.140.0100.08022.05
5.6.130.0070.07722.05
5.6.120.0100.07322.07
5.6.110.0100.08022.04
5.6.100.0070.07722.19
5.6.90.0170.04322.18
5.6.80.0030.08721.59
5.6.70.0100.07321.52
5.6.60.0030.04321.48
5.6.50.0100.07721.00
5.6.40.0070.09020.94
5.6.30.0070.08020.91
5.6.20.0000.04320.99
5.6.10.0000.07320.86
5.6.00.0130.07320.91
5.5.380.0230.06320.88
5.5.370.0130.04020.87
5.5.360.0130.06720.94
5.5.350.0030.08720.93
5.5.340.0000.07721.34
5.5.330.0200.07321.31
5.5.320.0100.08021.40
5.5.310.0070.06721.13
5.5.300.0100.07321.28
5.5.290.0100.04321.23
5.5.280.0030.08721.34
5.5.270.0100.07321.30
5.5.260.0130.04721.42
5.5.250.0070.05721.24
5.5.240.0070.06720.63
5.5.230.0130.04320.77
5.5.220.0070.08720.80
5.5.210.0030.08020.62
5.5.200.0170.05720.73
5.5.190.0000.09020.74
5.5.180.0100.07720.59
5.5.160.0070.05720.77
5.5.150.0070.06720.61
5.5.140.0030.05320.69
5.5.130.0000.05320.58
5.5.120.0030.07020.66
5.5.110.0070.08020.68
5.5.100.0100.07320.58
5.5.90.0000.04020.45
5.5.80.0170.07020.68
5.5.70.0030.08020.65
5.5.60.0070.06720.44
5.5.50.0000.08320.54
5.5.40.0070.06720.59
5.5.30.0100.07320.55
5.5.20.0100.07320.61
5.5.10.0000.05320.54
5.5.00.0000.06320.44
5.4.450.0070.08019.62
5.4.440.0070.08019.54
5.4.430.0030.08319.37
5.4.420.0130.06019.40
5.4.410.0130.04019.41
5.4.400.0030.04719.05
5.4.390.0070.04319.21
5.4.380.0030.06319.16
5.4.370.0100.06719.08
5.4.360.0030.05019.21
5.4.350.0070.08019.31
5.4.340.0100.06719.31
5.4.320.0030.03719.21
5.4.310.0070.07019.40
5.4.300.0070.06319.22
5.4.290.0070.06319.25
5.4.280.0000.04019.11
5.4.270.0070.07719.30
5.4.260.0130.06719.21
5.4.250.0000.07319.04
5.4.240.0100.07019.20
5.4.230.0070.08019.15
5.4.220.0070.06019.29
5.4.210.0100.06719.30
5.4.200.0000.04719.30
5.4.190.0030.07719.20
5.4.180.0070.07719.14
5.4.170.0100.06319.32
5.4.160.0130.06719.29
5.4.150.0030.08719.02
5.4.140.0030.07016.54
5.4.130.0070.04316.53
5.4.120.0100.07316.36
5.4.110.0070.06716.47
5.4.100.0030.07316.65
5.4.90.0070.06316.84
5.4.80.0030.05716.55
5.4.70.0100.06316.49
5.4.60.0100.03316.53
5.4.50.0070.07016.52
5.4.40.0100.06316.48
5.4.30.0030.07016.44
5.4.20.0030.08016.47
5.4.10.0070.03316.53
5.4.00.0070.05016.02
5.3.290.0030.03714.87
5.3.280.0070.05714.84
5.3.270.0130.07014.82
5.3.260.0130.07314.95
5.3.250.0030.08314.82
5.3.240.0070.04714.93
5.3.230.0070.07714.84
5.3.220.0030.06714.94
5.3.210.0030.08314.77
5.3.200.0000.04714.91
5.3.190.0100.03314.94
5.3.180.0030.06714.78
5.3.170.0070.03014.91
5.3.160.0100.07714.91
5.3.150.0070.05314.85
5.3.140.0100.07314.88
5.3.130.0130.06314.93
5.3.120.0130.06014.89
5.3.110.0070.07014.75
5.3.100.0070.07314.39
5.3.90.0100.06014.25
5.3.80.0030.04314.16
5.3.70.0030.04314.38
5.3.60.0070.07314.32
5.3.50.0070.07014.34
5.3.40.0100.04714.18
5.3.30.0030.04314.14
5.3.20.0100.03714.05
5.3.10.0130.05314.02
5.3.00.0070.05313.87
5.2.170.0070.07311.45
5.2.160.0030.05711.30
5.2.150.0070.04311.30
5.2.140.0030.04711.50
5.2.130.0000.05011.53
5.2.120.0100.03711.27
5.2.110.0070.05311.51
5.2.100.0000.03711.28
5.2.90.0070.02711.50
5.2.80.0070.03011.45
5.2.70.0070.03011.25
5.2.60.0000.03011.39
5.2.50.0070.02711.45
5.2.40.0030.02711.29
5.2.30.0130.01711.36
5.2.20.0000.03311.37
5.2.10.0030.03011.08
5.2.00.0070.03011.11
5.1.60.0000.02710.55
5.1.50.0000.02310.49
5.1.40.0030.02010.52
5.1.30.0000.02310.82
5.1.20.0030.02710.88
5.1.10.0030.03010.60
5.1.00.0030.02310.54
5.0.50.0000.0209.02
5.0.40.0030.0138.88
5.0.30.0000.0278.75
5.0.20.0000.0178.73
5.0.10.0000.0178.70
5.0.00.0000.0278.72
4.4.90.0000.0177.49
4.4.80.0000.0177.49
4.4.70.0000.0177.49
4.4.60.0030.0177.49
4.4.50.0030.0137.49
4.4.40.0030.0277.49
4.4.30.0000.0177.49
4.4.20.0000.0137.49
4.4.10.0000.0177.49
4.4.00.0000.0237.49
4.3.110.0100.0077.49
4.3.100.0000.0137.49
4.3.90.0000.0137.49
4.3.80.0000.0207.49
4.3.70.0000.0137.49
4.3.60.0000.0137.49
4.3.50.0030.0107.49
4.3.40.0070.0277.49
4.3.30.0030.0137.49
4.3.20.0000.0137.49
4.3.10.0000.0137.49
4.3.00.0030.0107.49

preferences:
46.88 ms | 401 KiB | 5 Q