3v4l.org

run code in 300+ PHP versions simultaneously
<?php $something = [ 'hello' => 'you' ]; $somethingElse = (object) [ 'hello' => 'you' ]; echo md5( json_encode( $something ) ); echo PHP_EOL; echo md5( json_encode( $somethingElse ) );

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)
8.3.60.0030.01016.75
8.3.50.0140.00717.76
8.3.40.0070.00718.70
8.3.30.0140.00319.15
8.3.20.0000.00820.30
8.3.10.0080.00021.77
8.3.00.0000.00819.13
8.2.180.0100.01016.63
8.2.170.0070.01122.96
8.2.160.0030.01020.27
8.2.150.0030.01424.18
8.2.140.0110.00424.66
8.2.130.0050.00226.16
8.2.120.0000.00819.66
8.2.110.0090.00020.77
8.2.100.0040.00817.63
8.2.90.0000.00818.97
8.2.80.0090.00017.97
8.2.70.0000.00817.50
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0050.00319.86
8.2.30.0030.00617.98
8.2.20.0070.00017.73
8.2.10.0040.00418.11
8.2.00.0040.00417.72
8.1.280.0170.00025.92
8.1.270.0080.00018.92
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0090.00019.52
8.1.230.0040.00817.42
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00717.23
8.1.190.0030.00617.22
8.1.180.0030.00618.10
8.1.170.0060.00320.23
8.1.160.0040.00421.86
8.1.150.0050.00318.82
8.1.140.0080.00017.43
8.1.130.0000.00717.70
8.1.120.0000.00717.39
8.1.110.0000.00717.26
8.1.100.0070.00017.34
8.1.90.0040.00317.26
8.1.80.0070.00017.30
8.1.70.0000.00717.27
8.1.60.0030.00517.40
8.1.50.0000.00817.46
8.1.40.0040.00417.48
8.1.30.0090.00017.59
8.1.20.0030.00517.45
8.1.10.0040.00417.42
8.1.00.0040.00417.30
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0000.00718.34
8.0.270.0040.00417.16
8.0.260.0000.00617.31
8.0.250.0060.00016.98
8.0.240.0070.00016.88
8.0.230.0000.00716.84
8.0.220.0000.00616.91
8.0.210.0050.00216.87
8.0.200.0000.00717.02
8.0.190.0040.00416.94
8.0.180.0030.00316.90
8.0.170.0040.00416.88
8.0.160.0030.00316.88
8.0.150.0070.00016.71
8.0.140.0070.00016.82
8.0.130.0000.00713.32
8.0.120.0000.00816.90
8.0.110.0000.00716.88
8.0.100.0000.00816.72
8.0.90.0040.00416.75
8.0.80.0130.00316.83
8.0.70.0000.00716.94
8.0.60.0040.00416.92
8.0.50.0030.00316.75
8.0.30.0160.00517.13
8.0.20.0150.00717.40
8.0.10.0040.00417.07
8.0.00.0110.00616.83
7.4.330.0020.00215.04
7.4.320.0030.00316.38
7.4.300.0000.00616.41
7.4.290.0000.00716.41
7.4.280.0020.00516.52
7.4.270.0000.00616.43
7.4.260.0040.00416.49
7.4.250.0030.00516.54
7.4.240.0030.00516.43
7.4.230.0030.00316.64
7.4.220.0070.01116.40
7.4.210.0060.01016.47
7.4.200.0030.00516.63
7.4.160.0150.00516.41
7.4.150.0120.00617.40
7.4.140.0100.00817.86
7.4.130.0090.00816.41
7.4.120.0110.00616.47
7.4.110.0000.01916.36
7.4.100.0160.00616.47
7.4.90.0060.01116.66
7.4.80.0130.00319.39
7.4.70.0150.00416.41
7.4.60.0080.00816.27
7.4.50.0000.00616.50
7.4.40.0040.01116.50
7.4.30.0130.00716.57
7.4.00.0030.01314.89
7.3.330.0030.00313.13
7.3.320.0110.00413.04
7.3.310.0000.00716.29
7.3.300.0030.00316.15
7.3.290.0000.00716.10
7.3.280.0080.01016.16
7.3.270.0140.01117.40
7.3.260.0150.00316.38
7.3.250.0040.01316.22
7.3.240.0130.00316.13
7.3.230.0060.01316.51
7.3.210.0030.01316.25
7.3.200.0090.01219.39
7.3.190.0060.01016.26
7.3.180.0060.01016.40
7.3.170.0070.01016.29
7.3.160.0130.01016.08
7.2.330.0040.01416.33
7.2.320.0060.01016.42
7.2.310.0140.00316.67
7.2.300.0070.01016.53
7.2.290.0080.01116.55
7.2.60.0220.00716.04
7.2.00.0030.00919.18
7.1.200.0000.01215.67
7.1.100.0000.01517.96
7.1.70.0030.01117.16
7.1.60.0200.00319.50
7.1.50.0030.01716.90
7.1.00.0070.07322.54
7.0.200.0040.00715.05
7.0.140.0030.06722.07
7.0.90.0000.06319.88
7.0.80.0030.05319.96
7.0.70.0070.07019.92
7.0.60.0070.07719.96
7.0.50.0070.08320.38
7.0.40.0070.07720.18
7.0.30.0070.08320.08
7.0.20.0100.08320.01
7.0.10.0070.08020.11
7.0.00.0070.04320.17
5.6.280.0100.06720.92
5.6.240.0100.04320.66
5.6.230.0170.06320.68
5.6.220.0170.07020.66
5.6.210.0130.07720.75
5.6.200.0170.07021.02
5.6.190.0100.07321.10
5.6.180.0030.09721.11
5.6.170.0230.04020.95
5.6.160.0070.08720.94
5.6.150.0070.08721.00
5.6.140.0100.08021.07
5.6.130.0070.06021.00
5.6.120.0100.06021.01
5.6.110.0130.07721.03
5.6.100.0130.07721.11
5.6.90.0070.05021.03
5.6.80.0000.05020.48
5.6.70.0100.08020.48
5.6.60.0000.08720.53
5.6.50.0030.04720.43
5.6.40.0100.07020.48
5.6.30.0130.07320.43
5.6.20.0030.08020.48
5.6.10.0170.06720.45
5.6.00.0070.06720.27
5.5.380.0030.06720.31
5.5.370.0100.08020.54
5.5.360.0130.07020.43
5.5.350.0070.07320.44
5.5.340.0130.07320.89
5.5.330.0100.08720.73
5.5.320.0230.05320.86
5.5.310.0000.08320.72
5.5.300.0170.07320.92
5.5.290.0200.07020.92
5.5.280.0070.04320.72
5.5.270.0070.07020.87
5.5.260.0100.06020.74
5.5.250.0070.08020.71
5.5.240.0000.07720.29
5.5.230.0200.05720.27
5.5.220.0170.07020.14
5.5.210.0100.04720.25
5.5.200.0070.05020.11
5.5.190.0070.05020.21
5.5.180.0100.08020.27
5.5.160.0100.07320.23
5.5.150.0100.06720.13
5.5.140.0130.07320.25
5.5.130.0200.07020.17
5.5.120.0070.04320.27
5.5.110.0100.07720.24
5.5.100.0100.04020.07
5.5.90.0070.09019.93
5.5.80.0100.07319.96
5.5.70.0030.06320.05
5.5.60.0100.06720.08
5.5.50.0070.04320.16
5.5.40.0030.05320.05
5.5.30.0030.05320.04
5.5.20.0130.03320.09
5.5.10.0030.04020.01
5.5.00.0070.06020.02
5.4.450.0070.04319.38
5.4.440.0100.04319.25
5.4.430.0170.06319.48
5.4.420.0130.04719.26
5.4.410.0100.06019.32
5.4.400.0030.04318.97
5.4.390.0130.05319.13
5.4.380.0030.06718.81
5.4.370.0130.06318.81
5.4.360.0170.06718.95
5.4.350.0000.08318.79
5.4.340.0130.07018.80
5.4.320.0100.05018.80
5.4.310.0070.07718.98
5.4.300.0000.08319.22
5.4.290.0030.05318.78
5.4.280.0070.05718.89
5.4.270.0000.05319.22
5.4.260.0100.04019.04
5.4.250.0100.03318.96
5.4.240.0000.06318.94
5.4.230.0000.04718.94
5.4.220.0030.04018.96
5.4.210.0070.03719.02
5.4.200.0070.07018.95
5.4.190.0070.07718.96
5.4.180.0100.05319.04
5.4.170.0100.07319.03
5.4.160.0100.08018.96
5.4.150.0070.08018.76
5.4.140.0000.05016.34
5.4.130.0000.04716.29
5.4.120.0100.03716.22
5.4.110.0000.04016.43
5.4.100.0070.04016.26
5.4.90.0100.07716.36
5.4.80.0130.04016.29
5.4.70.0030.08016.21
5.4.60.0070.07016.18
5.4.50.0030.05016.28
5.4.40.0000.05016.49
5.4.30.0030.05316.31
5.4.20.0100.04316.27
5.4.10.0100.07016.41
5.4.00.0070.07015.76
5.3.290.0070.04014.63
5.3.280.0070.04014.45
5.3.270.0130.07014.45
5.3.260.0100.07714.47
5.3.250.0070.05014.58
5.3.240.0100.04014.60
5.3.230.0000.04714.54
5.3.220.0170.06314.43
5.3.210.0030.04314.39
5.3.200.0070.07714.53
5.3.190.0000.06314.40
5.3.180.0100.03714.40
5.3.170.0070.07014.42
5.3.160.0070.07314.48
5.3.150.0070.07314.40
5.3.140.0170.06314.54
5.3.130.0100.04314.52
5.3.120.0000.04314.53
5.3.110.0000.04714.42
5.3.100.0070.06013.98
5.3.90.0070.04313.93
5.3.80.0030.04314.00
5.3.70.0100.07014.00
5.3.60.0070.04713.99
5.3.50.0000.07713.92
5.3.40.0100.06713.91
5.3.30.0070.04313.90
5.3.20.0130.05313.55
5.3.10.0100.07013.43
5.3.00.0100.06313.62
5.2.170.0130.05011.16
5.2.160.0100.05711.13
5.2.150.0000.04711.14
5.2.140.0000.05711.18
5.2.130.0000.04011.01
5.2.120.0130.05311.05
5.2.110.0070.04010.89
5.2.100.0000.04311.09
5.2.90.0130.02711.17
5.2.80.0000.06010.92
5.2.70.0030.06010.89
5.2.60.0030.04710.89
5.2.50.0000.06710.93
5.2.40.0030.04310.98
5.2.30.0030.03310.96
5.2.20.0030.03010.96
5.2.10.0100.04710.77
5.2.00.0030.06010.77
5.1.60.0070.04310.04
5.1.50.0100.0579.84
5.1.40.0070.0509.86
5.1.30.0070.04310.41
5.1.20.0100.05010.39
5.1.10.0030.04010.08
5.1.00.0070.05310.10
5.0.50.0000.0308.56
5.0.40.0000.0478.24
5.0.30.0070.0438.23
5.0.20.0070.0378.29
5.0.10.0070.0308.28
5.0.00.0030.0508.15
4.4.90.0070.0307.29
4.4.80.0030.0177.29
4.4.70.0000.0237.29
4.4.60.0030.0177.29
4.4.50.0000.0177.29
4.4.40.0000.0407.29
4.4.30.0000.0307.29
4.4.20.0030.0337.29
4.4.10.0000.0337.29
4.4.00.0030.0277.29
4.3.110.0000.0337.29
4.3.100.0000.0377.29
4.3.90.0000.0377.29
4.3.80.0000.0377.29
4.3.70.0070.0337.29
4.3.60.0030.0307.29
4.3.50.0000.0377.29
4.3.40.0030.0407.29
4.3.30.0030.0377.29
4.3.20.0000.0377.29
4.3.10.0000.0437.29
4.3.00.0030.0337.29

preferences:
35.98 ms | 400 KiB | 5 Q