3v4l.org

run code in 300+ PHP versions simultaneously
<?php $someJson = '{"":""}'; $myObject = json_decode($someJson); $newJson = json_encode($myObject); var_dump($someJson, $newJson, $someJson === $newJson); $myObject = (object)array(""=>""); $serialized = serialize($myObject); var_dump($myObject, $serialized); $unserialized = unserialize($serialized); var_dump($unserialized);

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)
8.3.60.0110.00318.36
8.3.50.0100.00618.17
8.3.40.0120.00318.81
8.3.30.0110.00418.44
8.3.20.0070.00020.34
8.3.10.0040.00420.70
8.3.00.0040.00421.82
8.2.180.0110.00316.48
8.2.170.0070.00722.96
8.2.160.0040.01122.25
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0000.00821.04
8.2.120.0040.00426.35
8.2.110.0100.00020.98
8.2.100.0060.00617.72
8.2.90.0000.00918.86
8.2.80.0080.00017.97
8.2.70.0060.00317.75
8.2.60.0030.00717.80
8.2.50.0050.00318.07
8.2.40.0000.00817.80
8.2.30.0040.00419.80
8.2.20.0040.00417.75
8.2.10.0040.00417.96
8.2.00.0000.00718.04
8.1.280.0180.00025.92
8.1.270.0080.00022.18
8.1.260.0050.00228.09
8.1.250.0040.00428.09
8.1.240.0060.00321.37
8.1.230.0100.00022.08
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0050.00317.22
8.1.180.0050.00318.10
8.1.170.0060.00320.28
8.1.160.0090.00018.87
8.1.150.0000.00718.72
8.1.140.0040.00419.52
8.1.130.0000.00717.64
8.1.120.0070.00017.37
8.1.110.0040.00317.31
8.1.100.0040.00417.32
8.1.90.0080.00017.46
8.1.80.0000.00717.28
8.1.70.0000.00717.37
8.1.60.0040.00417.48
8.1.50.0050.00317.48
8.1.40.0030.00517.34
8.1.30.0000.00817.56
8.1.20.0000.00717.45
8.1.10.0040.00417.39
8.1.00.0000.00917.47
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0030.00318.29
8.0.270.0070.00017.07
8.0.260.0000.00717.11
8.0.250.0030.00317.00
8.0.240.0040.00416.88
8.0.230.0000.00716.86
8.0.220.0050.00316.82
8.0.210.0040.00416.85
8.0.200.0000.00616.84
8.0.190.0090.00016.92
8.0.180.0050.00316.78
8.0.170.0040.00416.90
8.0.160.0040.00416.98
8.0.150.0070.00016.76
8.0.140.0050.00316.80
8.0.130.0060.00013.36
8.0.120.0050.00316.87
8.0.110.0040.00416.77
8.0.100.0000.00716.88
8.0.90.0000.00816.74
8.0.80.0090.00616.85
8.0.70.0030.00516.83
8.0.60.0040.00416.72
8.0.50.0000.00716.90
8.0.30.0100.01017.02
8.0.20.0130.00617.40
8.0.10.0040.00416.93
8.0.00.0100.00816.87
7.4.330.0000.00616.69
7.4.320.0060.00016.55
7.4.300.0030.00316.65
7.4.290.0050.00216.60
7.4.280.0050.00316.47
7.4.270.0060.00316.51
7.4.260.0090.00016.60
7.4.250.0070.00016.46
7.4.240.0030.00516.46
7.4.230.0000.00716.60
7.4.220.0130.00916.59
7.4.210.0080.00816.54
7.4.200.0040.00416.66
7.4.160.0060.00916.64
7.4.150.0030.01617.40
7.4.140.0080.01117.86
7.4.130.0080.01216.60
7.4.120.0110.00616.61
7.4.110.0130.00416.43
7.4.100.0170.00716.54
7.4.90.0110.00716.62
7.4.80.0140.00319.39
7.4.70.0090.00916.49
7.4.60.0060.01816.57
7.4.50.0040.01116.52
7.4.40.0130.00316.61
7.4.30.0120.00416.68
7.4.00.0090.00714.79
7.3.330.0030.00313.08
7.3.320.0020.00313.11
7.3.310.0070.00016.35
7.3.300.0070.00016.26
7.3.290.0000.00616.31
7.3.280.0060.01016.26
7.3.270.0090.00917.40
7.3.260.0150.00616.32
7.3.250.0100.00816.29
7.3.240.0080.00816.29
7.3.230.0070.01016.48
7.3.210.0100.01016.48
7.3.200.0160.00316.30
7.3.190.0130.00316.38
7.3.180.0120.00616.59
7.3.170.0150.00316.28
7.3.160.0080.00816.25
7.3.120.0070.01114.80
7.3.110.0060.01214.48
7.3.100.0000.01514.93
7.3.90.0100.00714.54
7.3.80.0110.00314.98
7.3.70.0050.00814.63
7.3.60.0140.00414.42
7.3.50.0110.00314.72
7.3.40.0110.00314.64
7.3.30.0100.00314.82
7.3.20.0090.00914.88
7.3.10.0050.01015.60
7.3.00.0050.00915.85
7.2.330.0140.00516.46
7.2.320.0140.00416.30
7.2.310.0140.00916.30
7.2.300.0100.00716.29
7.2.290.0080.00816.70
7.2.250.0160.00614.80
7.2.240.0060.00914.89
7.2.230.0050.01114.75
7.2.220.0130.00314.91
7.2.210.0070.00714.61
7.2.200.0030.01214.95
7.2.190.0050.01014.95
7.2.180.0050.01314.86
7.2.170.0100.00514.75
7.2.160.0130.01314.82
7.2.150.0240.00514.74
7.2.140.0200.00915.09
7.2.130.0090.01016.15
7.2.120.0100.00716.12
7.2.110.0090.00716.00
7.2.100.0080.00916.16
7.2.90.0100.01016.21
7.2.80.0080.00916.12
7.2.70.0090.00916.17
7.2.60.0080.00716.31
7.2.50.0130.00516.10
7.2.40.0100.00816.15
7.2.30.0090.00716.30
7.2.20.0070.01116.32
7.2.10.0080.00916.24
7.2.00.0060.00916.87
7.1.330.0030.01214.02
7.1.320.0040.01213.96
7.1.310.0050.01014.07
7.1.300.0060.00813.75
7.1.290.0030.01013.86
7.1.280.0070.00714.07
7.1.270.0100.00213.86
7.1.260.0130.00814.18
7.1.250.0100.00615.23
7.1.240.0120.00814.52
7.1.230.0140.00314.86
7.1.220.0080.00914.63
7.1.210.0090.00714.93
7.1.200.0130.00615.06
7.1.190.0130.00314.84
7.1.180.0090.00914.90
7.1.170.0130.00614.63
7.1.160.0130.00614.59
7.1.150.0100.00914.76
7.1.140.0020.01614.81
7.1.130.0080.00914.83
7.1.120.0140.00714.71
7.1.110.0090.01014.68
7.1.100.0120.00615.97
7.1.90.0090.00814.77
7.1.80.0120.00814.88
7.1.70.0080.00815.42
7.1.60.0090.01216.34
7.1.50.0100.00815.47
7.1.40.0080.00915.03
7.1.30.0110.00914.77
7.1.20.0120.00514.89
7.1.10.0120.00514.77
7.1.00.0070.03617.40
7.0.330.0100.00614.29
7.0.320.0090.00714.36
7.0.310.0250.00614.40
7.0.300.0510.00314.33
7.0.290.0120.00814.25
7.0.280.0130.00514.30
7.0.270.0070.01114.25
7.0.260.0160.00514.22
7.0.250.0100.00714.44
7.0.240.0090.00714.46
7.0.230.0040.01014.38
7.0.220.0100.00714.47
7.0.210.0090.00614.51
7.0.200.0190.00314.57
7.0.190.0090.00714.57
7.0.180.0090.00814.35
7.0.170.0080.01014.43
7.0.160.0060.00814.40
7.0.150.0110.00814.39
7.0.140.0100.00514.52
7.0.130.0080.00714.31
7.0.120.0060.00814.13
7.0.110.0070.01114.43
7.0.100.0090.00914.40
7.0.90.0050.02116.33
7.0.80.0090.03416.27
7.0.70.0230.02316.91
7.0.60.0290.02616.85
7.0.50.0290.02517.06
7.0.40.0090.02716.21
7.0.30.0110.03116.31
7.0.20.0150.03215.59
7.0.10.0090.03215.48
7.0.00.0110.03315.81
5.6.400.0170.01214.47
5.6.390.0140.00913.78
5.6.380.0080.00814.04
5.6.370.0090.01114.35
5.6.360.0090.00714.41
5.6.350.0110.01014.31
5.6.340.0120.00514.16
5.6.330.0040.01114.21
5.6.320.0080.01214.41
5.6.310.0190.00514.13
5.6.300.0050.01214.10
5.6.290.0060.00814.33
5.6.280.0100.02416.35
5.6.270.0090.00714.29
5.6.260.0070.01014.35
5.6.250.0150.00514.39
5.6.240.0110.03216.33
5.6.230.0100.03216.36
5.6.220.0080.03516.27
5.6.210.0110.03316.25
5.6.200.0060.03616.39
5.6.190.0070.01916.47
5.6.180.0090.02816.58
5.6.170.0080.03616.52
5.6.160.0090.03216.41
5.6.150.0110.03016.46
5.6.140.0070.03216.69
5.6.130.0100.03416.58
5.6.120.0110.03016.47
5.6.110.0090.03116.36
5.6.100.0120.03216.44
5.6.90.0090.03216.41
5.6.80.0130.03016.26
5.6.70.0080.03216.17
5.6.60.0120.02516.33
5.6.50.0130.02716.17
5.6.40.0060.02716.25
5.6.30.0090.02716.24
5.6.20.0090.01816.13
5.6.10.0120.03216.06
5.6.00.0120.02616.05
5.5.380.0080.02915.24
5.5.370.0150.02615.08
5.5.360.0080.03015.21
5.5.350.0050.03215.08
5.5.340.0090.02915.30
5.5.330.0110.03015.45
5.5.320.0120.02815.31
5.5.310.0080.03215.27
5.5.300.0060.03515.25
5.5.290.0060.02115.24
5.5.280.0080.02415.34
5.5.270.0100.03315.29
5.5.260.0120.01915.16
5.5.250.0070.02815.12
5.5.240.0110.02915.24
5.5.230.0130.02415.00
5.5.220.0080.03015.02
5.5.210.0090.03115.02
5.5.200.0120.02815.11
5.5.190.0050.03515.10
5.5.180.0120.02915.13
5.5.170.0110.00912.57
5.5.160.0120.02715.16
5.5.150.0070.03215.06
5.5.140.0120.02315.13
5.5.130.0140.02514.98
5.5.120.0100.03415.15
5.5.110.0090.03415.08
5.5.100.0070.03014.95
5.5.90.0100.02714.96
5.5.80.0130.02715.08
5.5.70.0140.02815.06
5.5.60.0090.02715.07
5.5.50.0080.02715.07
5.5.40.0080.02815.04
5.5.30.0100.02914.95
5.5.20.0090.03114.82
5.5.10.0110.01914.90
5.5.00.0040.02114.89

preferences:
54.82 ms | 401 KiB | 5 Q