3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'C' ); for ( $i = 0; $i < 10; $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)
8.3.60.0090.00918.18
8.3.50.0110.00921.99
8.3.40.0040.01218.67
8.3.30.0070.00718.70
8.3.20.0040.00418.82
8.3.10.0080.00020.48
8.3.00.0040.00421.91
8.2.180.0060.00916.75
8.2.170.0140.00722.96
8.2.160.0070.00720.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00819.63
8.2.110.0040.00422.29
8.2.100.0080.00318.03
8.2.90.0040.00419.21
8.2.80.0050.00317.97
8.2.70.0030.00617.49
8.2.60.0000.00818.04
8.2.50.0040.00418.07
8.2.40.0090.00018.09
8.2.30.0040.00419.85
8.2.20.0040.00417.57
8.2.10.0070.00017.77
8.2.00.0030.00617.81
8.1.280.0100.01025.92
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0070.01028.09
8.1.240.0100.00020.71
8.1.230.0000.01120.93
8.1.220.0040.00418.77
8.1.210.0000.00918.82
8.1.200.0060.00317.23
8.1.190.0080.00017.53
8.1.180.0040.00418.10
8.1.170.0000.00718.84
8.1.160.0070.00018.93
8.1.150.0000.00718.70
8.1.140.0000.00717.47
8.1.130.0000.00717.92
8.1.120.0070.00017.52
8.1.110.0030.00517.54
8.1.100.0040.00417.38
8.1.90.0030.00517.51
8.1.80.0000.00717.54
8.1.70.0030.00317.40
8.1.60.0000.00817.59
8.1.50.0040.00417.40
8.1.40.0000.00717.60
8.1.30.0080.00017.58
8.1.20.0020.00517.52
8.1.10.0000.00717.50
8.1.00.0000.00717.48
8.0.300.0030.00619.96
8.0.290.0040.00416.75
8.0.280.0000.00718.46
8.0.270.0000.00817.20
8.0.260.0000.00716.75
8.0.250.0000.00716.95
8.0.240.0040.00416.89
8.0.230.0030.00716.97
8.0.220.0000.00716.93
8.0.210.0000.00716.92
8.0.200.0000.00716.85
8.0.190.0030.00516.93
8.0.180.0040.00416.90
8.0.170.0030.00616.81
8.0.160.0000.00816.92
8.0.150.0060.00316.84
8.0.140.0000.00716.77
8.0.130.0040.00413.38
8.0.120.0030.00516.93
8.0.110.0070.00016.91
8.0.100.0040.00417.03
8.0.90.0040.00416.96
8.0.80.0060.01016.91
8.0.70.0000.00816.93
8.0.60.0000.00716.85
8.0.50.0000.00716.74
8.0.30.0080.01017.16
8.0.20.0100.00917.40
8.0.10.0040.00417.11
8.0.00.0090.00916.62
7.4.330.0000.00514.77
7.4.320.0000.00716.61
7.4.300.0070.00016.43
7.4.290.0050.00216.58
7.4.280.0060.00316.54
7.4.270.0030.00316.52
7.4.260.0060.00013.34
7.4.250.0080.00016.44
7.4.240.0040.00416.56
7.4.230.0040.00416.60
7.4.220.0140.00716.68
7.4.210.0080.00816.62
7.4.200.0030.00416.29
7.4.190.0050.00216.77
7.4.160.0100.01316.60
7.4.150.0110.00617.40
7.4.140.0110.00717.86
7.4.130.0050.01416.53
7.4.120.0080.00916.37
7.4.110.0060.01116.54
7.4.100.0070.01016.66
7.4.90.0190.00416.64
7.4.80.0080.00819.04
7.4.70.0060.01516.57
7.4.60.0120.00916.44
7.4.50.0040.00416.34
7.4.40.0070.00722.27
7.4.30.0130.00316.45
7.4.00.0070.01014.89
7.3.330.0030.00313.18
7.3.320.0050.00013.20
7.3.310.0030.00316.26
7.3.300.0060.00016.32
7.3.290.0090.00616.32
7.3.280.0120.00716.28
7.3.270.0120.00617.40
7.3.260.0160.00818.24
7.3.250.0090.00916.50
7.3.240.0090.00916.32
7.3.230.0090.00916.39
7.3.210.0070.01016.61
7.3.200.0090.00919.39
7.3.190.0060.00916.55
7.3.180.0100.00716.52
7.3.170.0070.01016.40
7.3.160.0100.00716.57
7.3.120.0090.00615.05
7.2.330.0080.00816.69
7.2.320.0030.01916.77
7.2.310.0100.01016.55
7.2.300.0120.00616.38
7.2.290.0070.01016.49
7.2.00.0080.00619.27
7.1.100.0000.01218.32
7.1.70.0000.01316.87
7.1.60.0060.01919.40
7.1.50.0150.00616.98
7.1.00.0100.05722.44
7.0.200.0050.00316.74
7.0.140.0130.06321.97
7.0.90.0600.04719.93
7.0.80.0500.05019.95
7.0.70.0530.08319.92
7.0.60.0430.04719.89
7.0.50.0570.07720.33
7.0.40.0070.04720.15
7.0.30.0100.05720.08
7.0.20.0070.06320.13
7.0.10.0000.08719.99
7.0.00.0170.07020.02
5.6.280.0100.06721.02
5.6.240.0070.05320.68
5.6.230.0100.07020.56
5.6.220.0070.04720.58
5.6.210.0070.05320.68
5.6.200.0030.06021.03
5.6.190.0070.08721.11
5.6.180.0170.07321.16
5.6.170.0100.08321.17
5.6.160.0130.06020.98
5.6.150.0030.05721.11
5.6.140.0070.04721.07
5.6.130.0070.05020.91
5.6.120.0100.08321.04
5.6.110.0130.08320.93
5.6.100.0070.08321.03
5.6.90.0030.07721.00
5.6.80.0000.04720.43
5.6.70.0070.07720.45
5.6.60.0170.06720.41
5.6.50.0130.08020.48
5.6.40.0100.07720.32
5.6.30.0070.04720.31
5.6.20.0070.07320.37
5.6.10.0030.04720.39
5.6.00.0030.07320.38
5.5.380.0130.05020.36
5.5.370.0130.06320.55
5.5.360.0030.08020.34
5.5.350.0100.06720.45
5.5.340.0170.07320.77
5.5.330.0130.07720.88
5.5.320.0170.04720.84
5.5.310.0130.07720.89
5.5.300.0000.05720.91
5.5.290.0200.03320.60
5.5.280.0070.08020.86
5.5.270.0030.06320.86
5.5.260.0130.08320.90
5.5.250.0130.07020.73
5.5.240.0000.04320.16
5.5.230.0070.08020.30
5.5.220.0030.05720.14
5.5.210.0100.03720.25
5.5.200.0070.08020.08
5.5.190.0070.07320.21
5.5.180.0030.08320.20
5.5.160.0030.05020.21
5.5.150.0100.07020.13
5.5.140.0070.04720.21
5.5.130.0100.04720.25
5.5.120.0070.06320.21
5.5.110.0030.07720.07
5.5.100.0030.07720.14
5.5.90.0030.04020.16
5.5.80.0030.04720.06
5.5.70.0100.04020.03
5.5.60.0170.07020.09
5.5.50.0030.05020.14
5.5.40.0030.06020.05
5.5.30.0170.06720.04
5.5.20.0130.07720.07
5.5.10.0130.07319.98
5.5.00.0070.06720.02
5.4.450.0030.04719.45
5.4.440.0130.04019.38
5.4.430.0130.06319.27
5.4.420.0070.08319.30
5.4.410.0030.06319.42
5.4.400.0030.04018.98
5.4.390.0100.05718.98
5.4.380.0100.04019.13
5.4.370.0030.04318.96
5.4.360.0000.07019.14
5.4.350.0130.04019.02
5.4.340.0100.04319.23
5.4.320.0030.06018.92
5.4.310.0030.07319.12
5.4.300.0100.07318.94
5.4.290.0170.06719.12
5.4.280.0070.07718.96
5.4.270.0100.07018.81
5.4.260.0070.04019.04
5.4.250.0100.03718.79
5.4.240.0100.04718.96
5.4.230.0100.04319.02
5.4.220.0070.07719.05
5.4.210.0070.08018.80
5.4.200.0030.07718.83
5.4.190.0030.07719.04
5.4.180.0100.04318.93
5.4.170.0070.05019.04
5.4.160.0070.07319.09
5.4.150.0130.05318.79
5.4.140.0030.04316.24
5.4.130.0070.03716.22
5.4.120.0100.03016.22
5.4.110.0070.07316.44
5.4.100.0030.05716.16
5.4.90.0100.04316.32
5.4.80.0030.03716.20
5.4.70.0070.03716.39
5.4.60.0030.07016.30
5.4.50.0070.07016.18
5.4.40.0130.03716.29
5.4.30.0070.05016.30
5.4.20.0200.05316.21
5.4.10.0100.04016.21
5.4.00.0130.06715.75
5.3.290.0070.07714.53
5.3.280.0070.08014.45
5.3.270.0030.08014.57
5.3.260.0030.08014.46
5.3.250.0100.07714.60
5.3.240.0030.04314.44
5.3.230.0100.03314.54
5.3.220.0030.03714.56
5.3.210.0100.07714.40
5.3.200.0070.07314.39
5.3.190.0070.07314.57
5.3.180.0100.04014.55
5.3.170.0100.03014.55
5.3.160.0130.06714.52
5.3.150.0070.04714.48
5.3.140.0000.05014.38
5.3.130.0030.08014.54
5.3.120.0100.07014.42
5.3.110.0070.07714.50
5.3.100.0100.06713.97
5.3.90.0070.06313.93
5.3.80.0100.06714.00
5.3.70.0070.04713.96
5.3.60.0070.03713.98
5.3.50.0130.06713.80
5.3.40.0000.07313.90
5.3.30.0030.07313.82
5.3.20.0100.07313.70
5.3.10.0070.06313.62
5.3.00.0030.06313.63
5.2.170.0030.03710.97
5.2.160.0070.05310.95
5.2.150.0000.07011.20
5.2.140.0070.06310.93
5.2.130.0000.06011.02
5.2.120.0100.06011.17
5.2.110.0000.05311.02
5.2.100.0070.06011.06
5.2.90.0030.06010.95
5.2.80.0000.04710.95
5.2.70.0070.06311.09
5.2.60.0030.04711.07
5.2.50.0030.05710.96
5.2.40.0100.05711.01
5.2.30.0000.05010.81
5.2.20.0030.04011.01
5.2.10.0070.06010.89
5.2.00.0100.05710.77
5.1.60.0030.0539.83
5.1.50.0030.0309.88
5.1.40.0000.0579.80
5.1.30.0170.03710.38
5.1.20.0030.06010.35
5.1.10.0070.0539.95
5.1.00.0030.0579.91
5.0.50.0000.0478.57
5.0.40.0030.0278.41
5.0.30.0000.0438.21
5.0.20.0030.0478.24
5.0.10.0030.0378.24
5.0.00.0000.0638.19
4.4.90.0030.0377.21
4.4.80.0070.0177.21
4.4.70.0030.0337.21
4.4.60.0000.0407.21
4.4.50.0070.0307.21
4.4.40.0030.0537.21
4.4.30.0070.0277.21
4.4.20.0000.0307.21
4.4.10.0100.0207.21
4.4.00.0000.0307.21
4.3.110.0100.0177.21
4.3.100.0000.0207.21
4.3.90.0030.0337.21
4.3.80.0030.0377.21
4.3.70.0070.0277.21
4.3.60.0030.0307.21
4.3.50.0030.0237.21
4.3.40.0030.0407.21
4.3.30.0030.0307.21
4.3.20.0000.0407.21
4.3.10.0070.0307.21
4.3.00.0070.0207.21

preferences:
41.86 ms | 401 KiB | 5 Q