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 ) ); echo "BBB\n"; var_dump( json_last_error() ); json_encode( 'foo' ); echo "CCC\n"; var_dump( json_encode( $a, 0, 10 ) ); echo "DDD\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)
8.3.40.0030.01418.79
8.3.30.0040.01118.75
8.3.20.0040.00418.79
8.3.10.0040.00420.66
8.3.00.0050.00319.27
8.2.170.0100.00322.96
8.2.160.0100.00321.19
8.2.150.0070.00724.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00019.85
8.2.110.0100.00020.47
8.2.100.0080.00417.91
8.2.90.0030.00519.30
8.2.80.0000.00917.97
8.2.70.0040.00417.63
8.2.60.0000.00717.80
8.2.50.0040.00418.07
8.2.40.0020.00518.16
8.2.30.0040.00418.07
8.2.20.0070.00017.75
8.2.10.0000.00717.83
8.2.00.0060.00317.78
8.1.270.0070.00724.66
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00322.19
8.1.230.0060.00617.42
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0070.00317.23
8.1.190.0040.00417.53
8.1.180.0040.00418.10
8.1.170.0000.00818.96
8.1.160.0050.00218.91
8.1.150.0000.00718.67
8.1.140.0050.00317.44
8.1.130.0030.00517.49
8.1.120.0000.00717.48
8.1.110.0050.00217.41
8.1.100.0040.00317.47
8.1.90.0050.00217.51
8.1.80.0040.00417.46
8.1.70.0050.00317.50
8.1.60.0040.00417.57
8.1.50.0040.00417.50
8.1.40.0060.00317.55
8.1.30.0040.00417.63
8.1.20.0050.00317.64
8.1.10.0030.00617.52
8.1.00.0040.00417.33
8.0.300.0000.00818.77
8.0.290.0000.00716.63
8.0.280.0000.00718.46
8.0.270.0030.00317.25
8.0.260.0030.00316.76
8.0.250.0040.00417.01
8.0.240.0000.00716.88
8.0.230.0000.00716.96
8.0.220.0030.00316.89
8.0.210.0030.00516.81
8.0.200.0030.00317.02
8.0.190.0080.00017.00
8.0.180.0080.00016.95
8.0.170.0030.00616.83
8.0.160.0070.00016.94
8.0.150.0040.00416.79
8.0.140.0040.00416.80
8.0.130.0000.00513.39
8.0.120.0040.00416.91
8.0.110.0040.00416.98
8.0.100.0040.00416.79
8.0.90.0040.00416.94
8.0.80.0060.00916.91
8.0.70.0040.00416.72
8.0.60.0000.00716.80
8.0.50.0030.00316.95
8.0.30.0110.00717.09
8.0.20.0070.01117.12
8.0.10.0070.00017.00
8.0.00.0100.00816.80
7.4.330.0020.00212.92
7.4.320.0000.00616.53
7.4.300.0060.00016.47
7.4.290.0070.00016.60
7.4.280.0030.00616.60
7.4.270.0050.00316.66
7.4.260.0030.00313.20
7.4.250.0040.00416.57
7.4.240.0070.00016.55
7.4.230.0040.00416.53
7.4.220.0130.01216.62
7.4.210.0080.00916.64
7.4.200.0070.00016.74
7.4.190.0040.00416.69
7.4.160.0100.00616.46
7.4.150.0060.01016.60
7.4.140.0110.00916.40
7.4.130.0080.00916.56
7.4.120.0070.00916.41
7.4.110.0060.01616.27
7.4.100.0060.01416.61
7.4.90.0090.00816.35
7.4.80.0100.01016.45
7.4.70.0080.00816.59
7.4.60.0120.00316.40
7.4.50.0100.00216.23
7.4.40.0080.00816.51
7.4.30.0120.00616.56
7.4.00.0120.00414.91
7.3.330.0030.00313.13
7.3.320.0000.00613.11
7.3.310.0000.00816.25
7.3.300.0030.00316.19
7.3.290.0090.00616.25
7.3.280.0060.01116.27
7.3.270.0160.00716.60
7.3.260.0060.01216.50
7.3.250.0150.00516.59
7.3.240.0040.01316.52
7.3.230.0160.00016.51
7.3.210.0140.00516.21
7.3.200.0160.00319.39
7.3.190.0090.00916.24
7.3.180.0090.00916.59
7.3.170.0070.01516.53
7.3.160.0070.01416.46
7.3.120.0030.00714.67
7.2.330.0070.01016.36
7.2.320.0160.00716.79
7.2.310.0120.00616.60
7.2.300.0080.00816.47
7.2.290.0130.00316.88
7.2.60.0030.00916.91
7.1.200.0040.00415.93
7.1.70.0000.00717.02
7.1.60.0030.02019.40
7.1.50.0040.01516.78
7.1.00.0030.05022.33
7.0.200.0440.00414.46
7.0.140.0100.06322.00
7.0.120.0100.06722.18
7.0.90.0570.06319.98
7.0.80.0630.06320.01
7.0.70.0570.08719.93
7.0.60.0530.04719.90
7.0.50.0700.08020.37
7.0.40.0100.07320.09
7.0.30.0130.07320.18
7.0.20.0100.07020.04
7.0.10.0130.07319.95
7.0.00.0100.07720.03
5.6.280.0030.07321.14
5.6.240.0100.08020.75
5.6.230.0100.04020.50
5.6.220.0070.08720.62
5.6.210.0100.07020.62
5.6.200.0170.07721.01
5.6.190.0070.05720.99
5.6.180.0070.05721.17
5.6.170.0130.07321.01
5.6.160.0100.07321.01
5.6.150.0070.08321.02
5.6.140.0030.05021.13
5.6.130.0070.08020.95
5.6.120.0030.08721.05
5.6.110.0130.07321.00
5.6.100.0100.08321.00
5.6.90.0230.06320.99
5.6.80.0130.04020.38
5.6.70.0070.08720.48
5.6.60.0130.07320.45
5.6.50.0030.04720.45
5.6.40.0000.08320.39
5.6.30.0100.07320.36
5.6.20.0030.05320.33
5.6.10.0030.04720.52
5.6.00.0070.04720.41
5.5.380.0070.08720.44
5.5.370.0030.08320.41
5.5.360.0070.06020.55
5.5.350.0100.06720.46
5.5.340.0100.08320.75
5.5.330.0130.08020.88
5.5.320.0130.06320.73
5.5.310.0070.08320.88
5.5.300.0070.07320.78
5.5.290.0070.06720.77
5.5.280.0130.07720.75
5.5.270.0100.08020.71
5.5.260.0130.07320.86
5.5.250.0100.07720.42
5.5.240.0070.06020.25
5.5.230.0000.09020.30
5.5.220.0130.04020.20
5.5.210.0030.07320.17
5.5.200.0070.07720.11
5.5.190.0130.07020.23
5.5.180.0030.08720.12
5.5.160.0030.06020.25
5.5.150.0030.09020.18
5.5.140.0000.05020.10
5.5.130.0000.08020.21
5.5.120.0130.05320.25
5.5.110.0030.07020.17
5.5.100.0030.08320.13
5.5.90.0130.07320.09
5.5.80.0070.07320.12
5.5.70.0130.06720.08
5.5.60.0070.04720.09
5.5.50.0070.07320.05
5.5.40.0070.07319.99
5.5.30.0070.07320.04
5.5.20.0100.07019.92
5.5.10.0130.06720.08
5.5.00.0100.04720.06
5.4.450.0070.07719.47
5.4.440.0170.06719.29
5.4.430.0130.07019.17
5.4.420.0230.06019.22
5.4.410.0030.05319.22
5.4.400.0070.03718.91
5.4.390.0100.05719.14
5.4.380.0030.07019.12
5.4.370.0000.08318.96
5.4.360.0070.07318.78
5.4.350.0100.04018.81
5.4.340.0100.08019.12
5.4.320.0070.07719.00
5.4.310.0000.04318.79
5.4.300.0030.05718.97
5.4.290.0100.04318.89
5.4.280.0070.07718.81
5.4.270.0070.05319.05
5.4.260.0130.06718.92
5.4.250.0070.09719.22
5.4.240.0130.07019.16
5.4.230.0070.07719.09
5.4.220.0070.07318.80
5.4.210.0100.04018.78
5.4.200.0130.07319.05
5.4.190.0130.07019.11
5.4.180.0000.05019.04
5.4.170.0000.07719.07
5.4.160.0070.06318.92
5.4.150.0130.06319.02
5.4.140.0070.07316.32
5.4.130.0070.06316.28
5.4.120.0130.04716.23
5.4.110.0070.07716.44
5.4.100.0070.07316.22
5.4.90.0030.07016.28
5.4.80.0070.05716.27
5.4.70.0070.05316.22
5.4.60.0130.03316.42
5.4.50.0070.04316.30
5.4.40.0000.03716.28
5.4.30.0100.02716.40
5.4.20.0070.07016.27
5.4.10.0030.04016.28
5.4.00.0030.03715.76
5.3.290.0000.05314.65
5.3.280.0070.08014.55
5.3.270.0030.05714.44
5.3.260.0030.08014.47
5.3.250.0130.06314.46
5.3.240.0030.07314.45
5.3.230.0000.05014.43
5.3.220.0100.07714.50
5.3.210.0030.07714.55
5.3.200.0070.07014.57
5.3.190.0070.07314.56
5.3.180.0130.07014.55
5.3.170.0070.07714.47
5.3.160.0030.03714.43
5.3.150.0100.03014.55
5.3.140.0070.03314.46
5.3.130.0000.04014.41
5.3.120.0100.03014.52
5.3.110.0030.03714.51
5.3.100.0030.03713.97
5.3.90.0070.03014.00
5.3.80.0070.03014.00
5.3.70.0000.03313.96
5.3.60.0030.04013.94
5.3.50.0100.03013.91
5.3.40.0030.03713.89
5.3.30.0030.03313.93
5.3.20.0070.03313.65
5.3.10.0030.03013.67
5.3.00.0030.03713.43
5.2.170.0000.03311.13
5.2.160.0030.03011.14
5.2.150.0000.03011.13
5.2.140.0030.03710.99
5.2.130.0030.03011.09
5.2.120.0100.04710.89
5.2.110.0000.05010.89
5.2.100.0070.04710.89
5.2.90.0070.02310.95
5.2.80.0100.02011.13
5.2.70.0030.03011.09
5.2.60.0000.03311.05
5.2.50.0100.04011.01
5.2.40.0030.03011.03
5.2.30.0000.03010.77
5.2.20.0030.05310.92
5.2.10.0030.02310.76
5.2.00.0030.03010.74
5.1.60.0030.02310.02
5.1.50.0000.02710.02
5.1.40.0030.0439.98
5.1.30.0000.03710.38
5.1.20.0000.04310.36
5.1.10.0000.02710.11
5.1.00.0000.05010.13
5.0.50.0000.0338.55
5.0.40.0000.0408.25
5.0.30.0000.0308.23
5.0.20.0030.0238.23
5.0.10.0030.0138.27
5.0.00.0000.0308.04
4.4.90.0030.0137.41
4.4.80.0000.0277.41
4.4.70.0000.0207.41
4.4.60.0030.0137.41
4.4.50.0000.0137.41
4.4.40.0000.0337.41
4.4.30.0030.0207.41
4.4.20.0000.0177.41
4.4.10.0070.0277.41
4.4.00.0000.0307.41
4.3.110.0000.0177.41
4.3.100.0000.0137.41
4.3.90.0000.0177.41
4.3.80.0000.0237.41
4.3.70.0000.0137.41
4.3.60.0030.0177.41
4.3.50.0030.0137.41
4.3.40.0030.0177.41
4.3.30.0000.0177.41
4.3.20.0000.0177.41
4.3.10.0000.0177.41
4.3.00.0000.0177.41

preferences:
46.7 ms | 400 KiB | 5 Q