3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'C' ); for ( $i = 0; $i < 20; $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)
8.3.60.0000.01418.43
8.3.50.0120.00322.11
8.3.40.0100.01018.63
8.3.30.0120.00318.77
8.3.20.0080.00018.42
8.3.10.0000.00818.60
8.3.00.0050.00221.73
8.2.180.0090.00618.39
8.2.170.0070.00722.96
8.2.160.0110.01120.44
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0150.00019.20
8.2.110.0060.00320.27
8.2.100.0040.00717.78
8.2.90.0000.00819.23
8.2.80.0050.00217.97
8.2.70.0040.00417.50
8.2.60.0050.00317.92
8.2.50.0050.00518.07
8.2.40.0050.00318.02
8.2.30.0040.00419.97
8.2.20.0040.00417.63
8.2.10.0040.00417.67
8.2.00.0050.00217.61
8.1.280.0120.00425.92
8.1.270.0070.00023.99
8.1.260.0100.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00622.48
8.1.230.0070.00420.84
8.1.220.0040.00418.77
8.1.210.0030.00518.91
8.1.200.0080.00817.00
8.1.190.0030.00517.53
8.1.180.0040.00418.10
8.1.170.0080.00018.37
8.1.160.0000.00718.89
8.1.150.0060.00318.55
8.1.140.0000.00717.31
8.1.130.0070.00017.73
8.1.120.0000.00717.48
8.1.110.0000.00817.44
8.1.100.0000.00717.46
8.1.90.0050.00217.42
8.1.80.0000.00717.33
8.1.70.0040.00417.35
8.1.60.0000.00717.52
8.1.50.0040.00417.36
8.1.40.0040.00417.48
8.1.30.0030.00617.48
8.1.20.0030.00617.55
8.1.10.0000.00717.57
8.1.00.0000.00817.46
8.0.300.0040.00419.97
8.0.290.0070.00017.28
8.0.280.0030.00318.43
8.0.270.0040.00417.20
8.0.260.0030.00316.73
8.0.250.0030.00616.86
8.0.240.0060.00616.82
8.0.230.0030.00316.92
8.0.220.0000.00716.84
8.0.210.0030.00316.91
8.0.200.0060.00017.00
8.0.190.0050.00216.84
8.0.180.0000.00716.91
8.0.170.0000.00816.92
8.0.160.0070.00016.86
8.0.150.0050.00316.83
8.0.140.0000.00816.73
8.0.130.0030.00613.34
8.0.120.0050.00216.88
8.0.110.0030.00516.91
8.0.100.0040.00416.77
8.0.90.0000.00716.73
8.0.80.0060.00916.75
8.0.70.0050.00216.84
8.0.60.0000.00816.93
8.0.50.0030.00516.84
8.0.30.0090.00917.24
8.0.20.0120.00817.40
8.0.10.0070.00017.02
8.0.00.0100.01116.77
7.4.330.0050.00014.69
7.4.320.0000.00616.53
7.4.300.0060.00016.57
7.4.290.0000.00816.56
7.4.280.0040.00416.52
7.4.270.0000.00716.44
7.4.260.0050.00013.26
7.4.250.0040.00416.34
7.4.240.0040.00416.61
7.4.230.0030.00316.39
7.4.220.0070.01116.59
7.4.210.0090.00916.54
7.4.200.0000.00716.30
7.4.190.0030.00316.76
7.4.160.0070.01016.60
7.4.150.0160.00617.40
7.4.140.0140.00617.86
7.4.130.0090.00816.56
7.4.120.0110.00916.47
7.4.110.0120.00416.47
7.4.100.0070.01116.50
7.4.90.0070.01716.59
7.4.80.0030.01519.37
7.4.70.0060.01016.36
7.4.60.0060.00916.42
7.4.50.0000.00916.48
7.4.40.0070.00722.27
7.4.30.0090.00916.53
7.4.00.0060.00915.14
7.3.330.0020.00313.09
7.3.320.0000.00613.16
7.3.310.0060.00016.25
7.3.300.0030.00316.24
7.3.290.0100.00316.22
7.3.280.0080.00816.28
7.3.270.0090.01217.40
7.3.260.0110.00618.24
7.3.250.0090.01316.37
7.3.240.0080.01316.49
7.3.230.0120.00616.44
7.3.210.0110.00616.23
7.3.200.0090.01019.39
7.3.190.0000.01616.50
7.3.180.0120.00916.56
7.3.170.0080.00816.29
7.3.160.0090.00616.43
7.3.120.0130.00314.70
7.3.00.0030.00716.79
7.2.330.0150.00516.75
7.2.320.0070.01016.69
7.2.310.0120.00616.75
7.2.300.0080.00816.32
7.2.290.0060.01116.49
7.2.130.0030.00916.80
7.2.120.0030.01316.58
7.2.110.0000.01016.89
7.2.100.0000.01417.01
7.2.90.0080.00417.02
7.2.80.0070.00716.92
7.2.70.0060.00316.93
7.2.60.0090.00516.98
7.2.50.0080.00416.75
7.2.40.0060.00617.05
7.2.30.0090.00316.92
7.2.20.0030.00916.97
7.2.10.0120.00017.13
7.2.00.0060.00618.34
7.1.250.0030.00915.77
7.1.240.0080.00415.82
7.1.230.0030.01015.91
7.1.220.0110.00015.91
7.1.210.0080.00615.87
7.1.200.0030.00715.97
7.1.190.0030.01015.72
7.1.180.0040.00715.82
7.1.170.0060.00615.68
7.1.160.0070.00715.55
7.1.150.0090.00615.77
7.1.140.0080.00615.56
7.1.130.0080.00415.54
7.1.120.0030.01015.82
7.1.110.0030.01015.96
7.1.100.0060.00516.90
7.1.90.0030.01015.78
7.1.80.0060.01015.84
7.1.70.0030.00816.58
7.1.60.0060.01317.59
7.1.50.0070.01216.41
7.1.40.0040.01115.75
7.1.30.0060.00615.50
7.1.20.0060.00615.84
7.1.10.0070.00715.85
7.1.00.0020.03919.01
7.0.330.0070.00415.55
7.0.320.0000.01115.39
7.0.310.0000.01115.11
7.0.300.0000.01115.36
7.0.290.0000.00915.32
7.0.280.0090.00615.61
7.0.270.0030.01015.28
7.0.260.0070.00715.23
7.0.250.0060.00315.39
7.0.240.0000.01415.62
7.0.230.0060.00615.29
7.0.220.0060.00715.27
7.0.210.0050.00515.27
7.0.200.0040.00716.05
7.0.190.0030.01215.32
7.0.180.0060.00915.35
7.0.170.0040.00815.13
7.0.160.0030.00915.49
7.0.150.0070.00315.39
7.0.140.0050.03718.76
7.0.130.0000.01415.17
7.0.120.0060.00615.25
7.0.110.0070.00415.51
7.0.100.0040.00415.17
7.0.90.0030.04817.63
7.0.80.0180.04017.64
7.0.70.0050.03217.79
7.0.60.0070.04317.66
7.0.50.0060.04217.82
7.0.40.0070.04416.86
7.0.30.0100.04216.91
7.0.20.0080.02716.81
7.0.10.0050.03016.83
7.0.00.0030.02616.77
5.6.380.0040.01114.47
5.6.370.0030.00914.09
5.6.360.0060.00314.00
5.6.350.0100.00314.09
5.6.340.0000.01114.15
5.6.330.0080.00414.46
5.6.320.0060.00314.48
5.6.310.0080.00314.56
5.6.300.0080.00414.60
5.6.290.0060.00614.34
5.6.280.0030.04217.67
5.6.270.0060.00314.49
5.6.260.0000.01414.17
5.6.250.0030.01014.49
5.6.240.0100.04017.38
5.6.230.0110.02217.50
5.6.220.0050.04317.34
5.6.210.0080.04017.29
5.6.200.0050.02917.74
5.6.190.0050.04417.72
5.6.180.0090.04017.75
5.6.170.0120.04017.69
5.6.160.0070.02017.48
5.6.150.0080.02017.61
5.6.140.0060.02417.80
5.6.130.0030.03017.58
5.6.120.0070.02217.58
5.6.110.0020.02617.79
5.6.100.0000.03017.57
5.6.90.0070.02417.54
5.6.80.0160.01517.40
5.6.70.0050.02517.35
5.6.60.0030.02517.30
5.6.50.0020.02717.38
5.6.40.0070.02017.23
5.6.30.0080.02017.28
5.6.20.0050.03317.27
5.6.10.0030.02517.30
5.6.00.0100.01817.40
5.5.380.0100.03015.60
5.5.370.0030.04415.85
5.5.360.0050.04215.73
5.5.350.0080.03815.66
5.5.340.0100.03815.75
5.5.330.0120.03615.90
5.5.320.0070.04016.03
5.5.310.0140.03815.75
5.5.300.0050.02315.95
5.5.290.0030.03015.89
5.5.280.0020.02915.72
5.5.270.0040.02216.05
5.5.260.0030.02315.97
5.5.250.0030.02315.83
5.5.240.0080.01815.60
5.5.230.0060.02315.49
5.5.220.0050.02015.53
5.5.210.0070.03515.66
5.5.200.0050.02215.57
5.5.190.0060.02315.58
5.5.180.0090.02715.57
5.5.170.0030.00910.88
5.5.160.0050.02115.63
5.5.150.0030.02215.69
5.5.140.0030.02015.66
5.5.130.0020.02215.46
5.5.120.0050.02015.51
5.5.110.0070.01815.64
5.5.100.0050.02315.40
5.5.90.0050.02015.50
5.5.80.0000.02915.49
5.5.70.0120.01415.44
5.5.60.0000.02515.55
5.5.50.0050.01715.55
5.5.40.0070.02015.54
5.5.30.0030.02015.58
5.5.20.0050.01715.49
5.5.10.0030.02115.59
5.5.00.0090.03315.45
5.4.450.0070.01915.10
5.4.440.0030.02214.98
5.4.430.0060.02015.03
5.4.420.0050.02414.96
5.4.410.0000.02515.07
5.4.400.0020.03514.96
5.4.390.0090.02514.99
5.4.380.0010.03614.95
5.4.370.0020.02614.90
5.4.360.0000.02714.97
5.4.350.0000.02415.01
5.4.340.0030.02214.97
5.4.330.0000.00911.04
5.4.320.0120.01214.94
5.4.310.0030.02315.06
5.4.300.0060.01814.78
5.4.290.0070.01814.95
5.4.280.0020.02114.88
5.4.270.0050.01814.99
5.4.260.0040.02415.08
5.4.250.0030.02115.02
5.4.240.0100.01015.05
5.4.230.0020.02314.98
5.4.220.0090.01715.00
5.4.210.0030.02014.89
5.4.200.0050.01514.94
5.4.190.0030.02214.93
5.4.180.0050.01714.93
5.4.170.0020.03214.69
5.4.160.0030.04314.73
5.4.150.0030.03614.83
5.4.140.0060.02813.56
5.4.130.0100.03213.65
5.4.120.0050.03113.63
5.4.110.0070.02613.52
5.4.100.0050.03913.50
5.4.90.0050.02313.45
5.4.80.0060.03813.45
5.4.70.0030.03813.40
5.4.60.0030.03313.63
5.4.50.0080.04613.63
5.4.40.0040.04013.56
5.4.30.0050.04013.62
5.4.20.0110.03713.65
5.4.10.0070.03713.64
5.4.00.0130.03113.25
5.3.290.0120.01212.59
5.3.280.0040.01812.46
5.3.270.0080.03012.56
5.3.260.0100.03812.54
5.3.250.0070.02812.58
5.3.240.0060.02812.48
5.3.230.0050.02212.44
5.3.220.0040.04112.36
5.3.210.0070.03912.36
5.3.200.0070.04112.47
5.3.190.0030.04012.56
5.3.180.0120.03212.42
5.3.170.0100.01712.52
5.3.160.0050.02912.56
5.3.150.0020.04012.55
5.3.140.0070.03812.54
5.3.130.0030.03312.29
5.3.120.0080.03512.46
5.3.110.0080.04112.40
5.3.100.0080.03012.14
5.3.90.0030.02312.19
5.3.80.0080.03612.14
5.3.70.0000.03012.07
5.3.60.0050.03712.13
5.3.50.0070.02712.09
5.3.40.0100.03012.15
5.3.30.0070.01911.99
5.3.20.0050.03311.95
5.3.10.0030.03411.91
5.3.00.0030.04111.86
5.2.170.0050.03310.53
5.2.160.0080.02010.55
5.2.150.0020.02110.46
5.2.140.0080.01710.53
5.2.130.0040.03510.44
5.2.120.0070.02810.43
5.2.110.0030.01910.46
5.2.100.0020.03210.49
5.2.90.0030.03810.53
5.2.80.0030.02610.53
5.2.70.0050.03210.53
5.2.60.0030.01810.49
5.2.50.0060.03310.47
5.2.40.0030.03010.45
5.2.30.0130.02510.41
5.2.20.0100.01810.39
5.2.10.0050.03310.44
5.2.00.0030.03110.35
5.1.60.0050.0229.98
5.1.50.0030.0169.99
5.1.40.0000.0269.96
5.1.30.0030.01610.17
5.1.20.0050.02010.16
5.1.10.0030.02510.03
5.1.00.0090.02610.01
5.0.50.0000.0149.27
5.0.40.0030.0239.22
5.0.30.0050.0169.09
5.0.20.0010.0139.12
5.0.10.0030.0119.11
5.0.00.0040.0179.11
4.4.90.0000.0228.57
4.4.80.0020.0208.57
4.4.70.0070.0128.57
4.4.60.0000.0208.57
4.4.50.0050.0178.57
4.4.40.0040.0168.57
4.4.30.0020.0198.57
4.4.20.0020.0108.57
4.4.10.0000.0148.57
4.4.00.0000.0298.57
4.3.110.0030.0148.57
4.3.100.0020.0138.57
4.3.90.0050.0168.57
4.3.80.0020.0178.57
4.3.70.0020.0188.57
4.3.60.0060.0088.57
4.3.50.0000.0228.57
4.3.40.0040.0148.57
4.3.30.0030.0188.57
4.3.20.0030.0138.57
4.3.10.0020.0178.57
4.3.00.0040.0178.57

preferences:
48.95 ms | 401 KiB | 5 Q