3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'C' ); for ( $i = 0; $i < 1000; $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)
8.3.60.0040.01518.68
8.3.50.0130.00722.24
8.3.40.0120.00319.20
8.3.30.0120.00919.09
8.3.20.0030.00619.19
8.3.10.0080.00021.34
8.3.00.0090.00623.77
8.2.180.0060.00917.13
8.2.170.0000.01522.96
8.2.160.0140.00022.46
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00821.50
8.2.110.0030.00722.43
8.2.100.0060.00618.34
8.2.90.0000.00819.86
8.2.80.0060.00618.43
8.2.70.0060.00618.00
8.2.60.0030.00618.42
8.2.50.0040.00418.07
8.2.40.0000.00818.78
8.2.30.0000.00821.45
8.2.20.0030.00518.33
8.2.10.0080.00018.31
8.2.00.0030.00518.41
8.1.280.0140.00725.92
8.1.270.0000.00823.99
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0070.00721.24
8.1.230.0040.00821.73
8.1.220.0000.00818.77
8.1.210.0090.00019.72
8.1.200.0000.01117.98
8.1.190.0030.00518.05
8.1.180.0040.00418.29
8.1.170.0000.00819.34
8.1.160.0060.00319.64
8.1.150.0000.00719.35
8.1.140.0060.00218.08
8.1.130.0000.00718.57
8.1.120.0000.00818.09
8.1.110.0040.00418.17
8.1.100.0090.00018.02
8.1.90.0040.00418.10
8.1.80.0040.00418.12
8.1.70.0000.00818.16
8.1.60.0060.00618.24
8.1.50.0040.00418.14
8.1.40.0090.00018.19
8.1.30.0060.00318.36
8.1.20.0030.00518.33
8.1.10.0080.00018.30
8.1.00.0000.00918.25
8.0.300.0090.00320.61
8.0.290.0000.00817.38
8.0.280.0000.00719.17
8.0.270.0000.00717.94
8.0.260.0080.00017.45
8.0.250.0040.00417.55
8.0.240.0060.00317.67
8.0.230.0000.00717.54
8.0.220.0030.00617.57
8.0.210.0020.00517.53
8.0.200.0000.00717.64
8.0.190.0060.00317.66
8.0.180.0040.00417.59
8.0.170.0060.00317.66
8.0.160.0020.00517.68
8.0.150.0000.00817.46
8.0.140.0080.00017.54
8.0.130.0030.00313.98
8.0.120.0040.00417.55
8.0.110.0040.00417.46
8.0.100.0050.00317.45
8.0.90.0040.00417.55
8.0.80.0090.00617.54
8.0.70.0060.00317.46
8.0.60.0000.00917.61
8.0.50.0060.00317.53
8.0.30.0110.00917.72
8.0.20.0100.01317.82
8.0.10.0080.00017.73
8.0.00.0080.01017.45
7.4.330.0000.00515.00
7.4.320.0060.00017.21
7.4.300.0060.00017.27
7.4.290.0000.00817.21
7.4.280.0040.00417.29
7.4.270.0000.00917.32
7.4.260.0030.00313.96
7.4.250.0000.00917.07
7.4.240.0030.00517.18
7.4.230.0040.00417.22
7.4.220.0060.01317.16
7.4.210.0120.00517.20
7.4.200.0070.00017.27
7.4.190.0050.00317.43
7.4.160.0140.00417.10
7.4.150.0110.00717.40
7.4.140.0170.00817.86
7.4.130.0090.01017.10
7.4.120.0070.01117.25
7.4.110.0070.01117.30
7.4.100.0110.00717.14
7.4.90.0130.00717.20
7.4.80.0090.00919.39
7.4.70.0100.00717.19
7.4.60.0100.00717.32
7.4.50.0020.00217.28
7.4.40.0090.00922.52
7.4.30.0140.00817.02
7.4.00.0080.00815.83
7.3.330.0030.00313.84
7.3.320.0000.00613.71
7.3.310.0050.00316.93
7.3.300.0070.00016.79
7.3.290.0110.00717.04
7.3.280.0070.00816.90
7.3.270.0090.00917.40
7.3.260.0070.01418.24
7.3.250.0080.01017.18
7.3.240.0060.01616.95
7.3.230.0110.00717.24
7.3.210.0000.01916.91
7.3.200.0140.00819.39
7.3.190.0110.00616.98
7.3.180.0040.01417.01
7.3.170.0000.01816.98
7.3.160.0150.00316.95
7.3.120.0040.01115.63
7.2.330.0090.00917.47
7.2.320.0100.00917.19
7.2.310.0120.01517.42
7.2.300.0100.00717.25
7.2.290.0030.01617.15
7.2.60.0040.00717.26
7.1.200.0060.00615.92
7.1.70.0040.00717.24
7.1.60.0100.01419.40
7.1.50.0060.01217.46
7.1.00.0070.07322.64
7.0.200.0070.00016.83
7.0.140.0070.07022.23
7.0.90.0070.08320.58
7.0.80.0070.08020.54
7.0.70.0630.07320.54
7.0.60.0500.06020.71
7.0.50.0470.04720.89
7.0.40.0070.04720.37
7.0.30.0170.06320.41
7.0.20.0070.08720.31
7.0.10.0070.08020.42
7.0.00.0100.07720.40
5.6.280.0000.08022.92
5.6.240.0130.05722.42
5.6.230.0170.06722.58
5.6.220.0030.08722.45
5.6.210.0070.07022.36
5.6.200.0030.07723.02
5.6.190.0100.06322.93
5.6.180.0130.07722.89
5.6.170.0130.08722.95
5.6.160.0200.04722.98
5.6.150.0200.06022.97
5.6.140.0030.07322.84
5.6.130.0100.07722.88
5.6.120.0100.07022.95
5.6.110.0000.05022.83
5.6.100.0070.07023.00
5.6.90.0070.06022.91
5.6.80.0130.07022.35
5.6.70.0130.07022.34
5.6.60.0170.07322.38
5.6.50.0070.08021.39
5.6.40.0130.07721.23
5.6.30.0000.07321.13
5.6.20.0030.08021.29
5.6.10.0130.03321.19
5.6.00.0100.07021.39
5.5.380.0030.04321.29
5.5.370.0200.07321.29
5.5.360.0100.08721.24
5.5.350.0100.07321.25
5.5.340.0100.08321.61
5.5.330.0100.07021.68
5.5.320.0100.07721.64
5.5.310.0200.07021.65
5.5.300.0130.05321.61
5.5.290.0100.06321.52
5.5.280.0100.04721.61
5.5.270.0030.04721.60
5.5.260.0100.05021.79
5.5.250.0030.08721.46
5.5.240.0030.05721.18
5.5.230.0070.04321.14
5.5.220.0100.07321.08
5.5.210.0100.07321.14
5.5.200.0070.08321.05
5.5.190.0030.04320.87
5.5.180.0070.04720.96
5.5.160.0130.04020.87
5.5.150.0070.04720.83
5.5.140.0170.07021.10
5.5.130.0100.08021.02
5.5.120.0070.05020.95
5.5.110.0070.07721.10
5.5.100.0030.07020.93
5.5.90.0000.08321.03
5.5.80.0070.08320.98
5.5.70.0070.08320.94
5.5.60.0200.04020.94
5.5.50.0200.07320.96
5.5.40.0070.08321.02
5.5.30.0200.07320.95
5.5.20.0070.08321.02
5.5.10.0070.08320.93
5.5.00.0070.07720.95
5.4.450.0030.08319.88
5.4.440.0130.07019.66
5.4.430.0030.06319.99
5.4.420.0130.04019.80
5.4.410.0130.06719.70
5.4.400.0070.07019.45
5.4.390.0030.08019.50
5.4.380.0000.08019.34
5.4.370.0130.06019.50
5.4.360.0130.06019.50
5.4.350.0070.07019.51
5.4.340.0100.05019.51
5.4.320.0130.04319.52
5.4.310.0000.09019.44
5.4.300.0170.06319.73
5.4.290.0030.05319.50
5.4.280.0130.06719.59
5.4.270.0070.07719.53
5.4.260.0030.08319.45
5.4.250.0170.06719.44
5.4.240.0030.07319.34
5.4.230.0100.07319.58
5.4.220.0070.06319.56
5.4.210.0030.07019.44
5.4.200.0130.07019.44
5.4.190.0200.06319.49
5.4.180.0030.08319.59
5.4.170.0030.08019.43
5.4.160.0100.07019.35
5.4.150.0070.04319.48
5.4.140.0070.04316.77
5.4.130.0070.03316.82
5.4.120.0030.07716.61
5.4.110.0000.08016.99
5.4.100.0170.07016.84
5.4.90.0100.07016.86
5.4.80.0030.06316.98
5.4.70.0070.04316.78
5.4.60.0030.06016.85
5.4.50.0030.03716.72
5.4.40.0200.06716.77
5.4.30.0070.05316.79
5.4.20.0070.04316.81
5.4.10.0070.03716.79
5.4.00.0030.03716.34
5.3.290.0070.06715.23
5.3.280.0070.07715.23
5.3.270.0070.07715.25
5.3.260.0100.06715.12
5.3.250.0070.07315.07
5.3.240.0070.06715.13
5.3.230.0100.06315.07
5.3.220.0000.05715.05
5.3.210.0130.06315.20
5.3.200.0130.04715.08
5.3.190.0170.06715.21
5.3.180.0070.05015.21
5.3.170.0030.04715.07
5.3.160.0070.07715.18
5.3.150.0100.03315.03
5.3.140.0030.04315.24
5.3.130.0030.04715.18
5.3.120.0170.06715.04
5.3.110.0100.06715.19
5.3.100.0030.04014.67
5.3.90.0030.03714.66
5.3.80.0030.03714.52
5.3.70.0070.04014.64
5.3.60.0030.03714.64
5.3.50.0070.03714.37
5.3.40.0100.04714.46
5.3.30.0070.04014.41
5.3.20.0100.06714.32
5.3.10.0030.03714.16
5.3.00.0100.06714.27
5.2.170.0000.07011.30
5.2.160.0000.05011.79
5.2.150.0000.03311.30
5.2.140.0100.05711.44
5.2.130.0000.03711.46
5.2.120.0000.03311.39
5.2.110.0030.05711.25
5.2.100.0070.06011.41
5.2.90.0100.05311.26
5.2.80.0000.06311.22
5.2.70.0070.06011.20
5.2.60.0100.06311.41
5.2.50.0030.05711.15
5.2.40.0070.06011.30
5.2.30.0000.06311.35
5.2.20.0070.05711.07
5.2.10.0070.04011.18
5.2.00.0070.05011.11
5.1.60.0030.03710.86
5.1.50.0030.05710.84
5.1.40.0070.05710.65
5.1.30.0030.04311.02
5.1.20.0130.05011.23
5.1.10.0100.05010.75
5.1.00.0100.05010.77
5.0.50.0030.0479.21
5.0.40.0070.0279.27
5.0.30.0030.0608.93
5.0.20.0030.0379.11
5.0.10.0030.0479.09
5.0.00.0070.0609.01
4.4.90.0030.0378.32
4.4.80.0000.0408.32
4.4.70.0030.0278.32
4.4.60.0070.0208.32
4.4.50.0070.0338.32
4.4.40.0030.0278.32
4.4.30.0000.0378.32
4.4.20.0000.0278.32
4.4.10.0000.0378.32
4.4.00.0030.0578.32
4.3.110.0030.0378.32
4.3.100.0000.0408.32
4.3.90.0030.0308.32
4.3.80.0100.0478.32
4.3.70.0070.0338.32
4.3.60.0030.0338.32
4.3.50.0000.0378.32
4.3.40.0000.0408.32
4.3.30.0100.0208.32
4.3.20.0000.0438.32
4.3.10.0030.0308.32
4.3.00.0000.0408.32

preferences:
54.51 ms | 401 KiB | 5 Q