3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new StdClass(); $obj->foo = "foo"; $objects = array(); for ($i = 0; $i < 5; $i++) { $objects[] = clone $obj; } $string = json_encode($objects); var_dump(array($string, escapeshellarg($string)));

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)
8.3.40.0160.00018.44
8.3.30.0030.01018.60
8.3.20.0040.00418.50
8.3.10.0040.00420.53
8.3.00.0080.00019.25
8.2.170.0070.00718.91
8.2.160.0100.00322.96
8.2.150.0080.00025.66
8.2.140.0080.00024.66
8.2.130.0050.00526.16
8.2.120.0040.00421.00
8.2.110.0060.00322.32
8.2.100.0090.00317.78
8.2.90.0080.00017.91
8.2.80.0030.00519.20
8.2.70.0000.00817.93
8.2.60.0000.00817.91
8.2.50.0080.00018.10
8.2.40.0090.00018.22
8.2.30.0030.00718.13
8.2.20.0030.00717.72
8.2.10.0040.00417.73
8.2.00.0070.00017.73
8.1.270.0090.00022.01
8.1.260.0050.00326.35
8.1.250.0130.00628.09
8.1.240.0080.00020.79
8.1.230.0030.00720.97
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00617.35
8.1.190.0000.00917.35
8.1.180.0070.00018.10
8.1.170.0090.00018.50
8.1.160.0050.00218.91
8.1.150.0030.00518.54
8.1.140.0000.00717.35
8.1.130.0030.00317.73
8.1.120.0000.00717.43
8.1.110.0030.00717.32
8.1.100.0000.00717.43
8.1.90.0030.00417.42
8.1.80.0020.00517.34
8.1.70.0040.00417.42
8.1.60.0050.00217.60
8.1.50.0000.00817.41
8.1.40.0050.00317.52
8.1.30.0000.00817.57
8.1.20.0000.00717.52
8.1.10.0040.00417.51
8.1.00.0040.00417.48
8.0.300.0040.00420.14
8.0.290.0000.00816.75
8.0.280.0030.00318.36
8.0.270.0030.00317.25
8.0.260.0030.00316.87
8.0.250.0040.00416.88
8.0.240.0070.00317.01
8.0.230.0030.00316.91
8.0.220.0070.00016.86
8.0.210.0050.00316.86
8.0.200.0030.00516.95
8.0.190.0050.00316.84
8.0.180.0030.00316.92
8.0.170.0030.00516.85
8.0.160.0030.00517.01
8.0.150.0000.00816.93
8.0.140.0030.00616.84
8.0.130.0030.00313.27
8.0.120.0000.01016.74
8.0.110.0060.00316.81
8.0.100.0070.00016.95
8.0.90.0070.00016.78
8.0.80.0030.01016.83
8.0.70.0000.00917.00
8.0.60.0040.00416.86
8.0.50.0080.00016.84
8.0.30.0120.00617.35
8.0.20.0060.01316.83
8.0.10.0040.00417.05
8.0.00.0160.00716.76
7.4.330.0000.00513.10
7.4.320.0000.00616.60
7.4.300.0000.00616.55
7.4.290.0040.00716.60
7.4.280.0000.00816.52
7.4.270.0000.00716.53
7.4.260.0070.00016.57
7.4.250.0060.00316.60
7.4.240.0000.00716.57
7.4.230.0000.00716.59
7.4.220.0070.00016.61
7.4.210.0040.01716.54
7.4.200.0030.00316.47
7.4.190.0000.00716.53
7.4.160.0120.00316.52
7.4.150.0120.00616.43
7.4.140.0070.01016.40
7.4.130.0090.01416.40
7.4.120.0160.00316.45
7.4.110.0120.00616.61
7.4.100.0150.00416.64
7.4.90.0140.00316.60
7.4.80.0140.00719.39
7.4.70.0060.01016.54
7.4.60.0100.00616.47
7.4.50.0030.00316.57
7.4.40.0110.00716.25
7.4.30.0140.00516.59
7.4.10.0110.00715.02
7.4.00.0070.00914.71
7.3.330.0000.00613.20
7.3.320.0040.00413.14
7.3.310.0070.00016.22
7.3.300.0000.00716.23
7.3.290.0060.01216.29
7.3.280.0110.00416.33
7.3.270.0090.00916.54
7.3.260.0100.00716.36
7.3.250.0080.00816.38
7.3.240.0090.00916.30
7.3.230.0080.00816.53
7.3.210.0110.00616.35
7.3.200.0000.01616.38
7.3.190.0030.01316.51
7.3.180.0040.01216.29
7.3.170.0080.00816.50
7.3.160.0100.00716.45
7.3.130.0060.01014.95
7.3.120.0080.00814.86
7.3.110.0040.01515.05
7.3.100.0000.01815.04
7.3.90.0030.01414.94
7.3.80.0030.00814.94
7.3.70.0030.00614.72
7.3.60.0110.00014.83
7.3.50.0040.01214.88
7.3.40.0090.00314.60
7.3.30.0000.01414.88
7.3.20.0140.00316.47
7.3.10.0100.00616.42
7.3.00.0100.00716.48
7.2.330.0100.00716.55
7.2.320.0090.00916.64
7.2.310.0080.00816.72
7.2.300.0080.00816.86
7.2.290.0120.00416.36
7.2.260.0030.01315.00
7.2.250.0100.00715.21
7.2.240.0060.01015.26
7.2.230.0090.00614.90
7.2.220.0030.01614.81
7.2.210.0070.00714.91
7.2.200.0060.00914.93
7.2.190.0060.00915.13
7.2.180.0060.00915.05
7.2.170.0060.00614.78
7.2.160.0060.00914.92
7.2.150.0100.00616.85
7.2.140.0030.00916.93
7.2.130.0070.00616.64
7.2.120.0070.00516.60
7.2.110.0060.01016.83
7.2.100.0070.00816.78
7.2.90.0090.00816.69
7.2.80.0040.00716.82
7.2.70.0050.01016.83
7.2.60.0050.00816.77
7.2.50.0050.00616.67
7.2.40.0060.00516.75
7.2.30.0060.00816.97
7.2.20.0070.00916.81
7.2.10.0060.00516.79
7.2.00.0070.00617.48
7.1.330.0070.00715.54
7.1.320.0150.00015.77
7.1.310.0000.01115.70
7.1.300.0070.01015.94
7.1.290.0100.00315.94
7.1.280.0030.00915.72
7.1.270.0000.01515.66
7.1.260.0030.00615.75
7.1.250.0090.00615.72
7.1.240.0080.00815.63
7.1.230.0060.00615.77
7.1.220.0040.00815.89
7.1.210.0040.00715.61
7.1.200.0050.00815.90
7.1.190.0060.00615.79
7.1.180.0030.01415.71
7.1.170.0070.00315.63
7.1.160.0080.00015.76
7.1.150.0100.00315.74
7.1.140.0100.00715.89
7.1.130.0070.00715.82
7.1.120.0060.00915.73
7.1.110.0000.00915.85
7.1.100.0050.00716.87
7.1.90.0030.01315.66
7.1.80.0100.00415.53
7.1.70.0090.00316.48
7.1.60.0060.01317.43
7.1.50.0090.00916.15
7.1.40.0130.00015.97
7.1.30.0070.00715.82
7.1.20.0070.00315.84
7.1.10.0080.00315.84
7.1.00.0000.02519.17
7.0.330.0070.00715.62
7.0.320.0080.00415.31
7.0.310.0000.01115.61
7.0.300.0060.00615.45
7.0.290.0080.00315.51
7.0.280.0030.01415.18
7.0.270.0090.00615.36
7.0.260.0060.00615.57
7.0.250.0100.00315.54
7.0.240.0000.00815.19
7.0.230.0120.00315.55
7.0.220.0000.01015.26
7.0.210.0040.00715.45
7.0.200.0040.00515.96
7.0.190.0070.00715.48
7.0.180.0000.01515.48
7.0.170.0000.01115.18
7.0.160.0030.00915.46
7.0.150.0030.00615.54
7.0.140.0050.03718.67
7.0.130.0100.00315.49
7.0.120.0100.03318.84
7.0.110.0340.04417.57
7.0.100.0220.03817.56
7.0.90.0400.04017.55
7.0.80.0280.04417.72
7.0.70.0120.02817.67
7.0.60.0140.04117.76
7.0.50.0050.04517.90
7.0.40.0080.04116.92
7.0.30.0060.04616.84
7.0.20.0020.04916.64
7.0.10.0060.04516.96
7.0.00.0080.04316.57
5.6.400.0030.00914.82
5.6.390.0080.00314.53
5.6.380.0000.00814.66
5.6.370.0100.00314.51
5.6.360.0030.00514.74
5.6.350.0030.00914.63
5.6.340.0120.00614.26
5.6.330.0030.01314.31
5.6.320.0030.01014.41
5.6.310.0070.00414.32
5.6.300.0030.00914.36
5.6.290.0060.00914.48
5.6.280.0020.04517.88
5.6.270.0030.01314.22
5.6.260.0030.01014.43
5.6.250.0080.04517.54
5.6.240.0080.04417.61
5.6.230.0080.04617.38
5.6.220.0100.04117.54
5.6.210.0040.04917.39
5.6.200.0070.04017.81
5.6.190.0070.04717.82
5.6.180.0080.04317.84
5.6.170.0050.03217.65
5.6.160.0170.03017.79
5.6.150.0080.04017.79
5.6.140.0060.02917.66
5.6.130.0090.04217.75
5.6.120.0070.03717.67
5.6.110.0070.03917.82
5.6.100.0120.03917.77
5.6.90.0050.04517.97
5.6.80.0050.03717.58
5.6.70.0080.04117.47
5.6.60.0080.04017.46
5.6.50.0040.03917.47
5.6.40.0080.02617.46
5.6.30.0080.03817.50
5.6.20.0050.04117.40
5.6.10.0080.03017.41
5.6.00.0100.04117.45
5.5.380.0080.03517.43
5.5.370.0100.03717.49
5.5.360.0050.04317.33
5.5.350.0100.04317.48
5.5.340.0070.04717.43
5.5.330.0080.03817.64
5.5.320.0100.04617.67
5.5.310.0100.03917.70
5.5.300.0020.05317.76
5.5.290.0050.04517.49
5.5.280.0060.02717.67
5.5.270.0010.05117.59
5.5.260.0070.04317.67
5.5.250.0050.04017.40
5.5.240.0070.04417.36
5.5.230.0030.04717.39
5.5.220.0050.03517.51
5.5.210.0110.02517.36
5.5.200.0110.04317.44
5.5.190.0080.02517.40
5.5.180.0070.04417.45
5.5.170.0060.00614.36
5.5.160.0110.03517.38
5.5.150.0060.03717.35
5.5.140.0030.03017.30
5.5.130.0120.02217.29
5.5.120.0050.04417.27
5.5.110.0060.02817.40
5.5.100.0030.03717.32
5.5.90.0040.02817.26
5.5.80.0070.04017.26
5.5.70.0070.04517.24
5.5.60.0070.04017.27
5.5.50.0080.03517.23
5.5.40.0090.04017.23
5.5.30.0040.04217.27
5.5.20.0070.04217.06
5.5.10.0080.04017.27
5.5.00.0030.04717.11
5.4.450.0110.04116.26
5.4.440.0080.04016.18
5.4.430.0100.04216.14
5.4.420.0050.04516.22
5.4.410.0030.04316.17
5.4.400.0080.03615.98
5.4.390.0100.03516.06
5.4.380.0060.03816.15
5.4.370.0020.04516.02
5.4.360.0050.04216.01
5.4.350.0030.04215.98
5.4.340.0050.04216.01
5.4.330.0060.00613.02
5.4.320.0060.04116.07
5.4.310.0030.02615.96
5.4.300.0070.04015.97
5.4.290.0080.03716.01
5.4.280.0030.03516.05
5.4.270.0090.03616.07
5.4.260.0020.04316.14
5.4.250.0050.03816.05
5.4.240.0020.04215.97
5.4.230.0070.02315.97
5.4.220.0030.04216.07
5.4.210.0070.03816.01
5.4.200.0030.04015.98
5.4.190.0070.03716.09
5.4.180.0110.03616.14
5.4.170.0090.03616.09
5.4.160.0030.02716.08
5.4.150.0020.04316.04
5.4.140.0070.02814.65
5.4.130.0070.03214.72
5.4.120.0080.03814.68
5.4.110.0050.03814.70
5.4.100.0050.04014.76
5.4.90.0020.04014.72
5.4.80.0040.02314.77
5.4.70.0070.03714.70
5.4.60.0070.04014.68
5.4.50.0080.03514.68
5.4.40.0060.04114.60
5.4.30.0050.04314.74
5.4.20.0080.03314.74
5.4.10.0020.04414.59
5.4.00.0100.03514.36
5.3.290.0030.04013.77
5.3.280.0070.03713.76
5.3.270.0050.03213.85
5.3.260.0110.03713.82
5.3.250.0050.04113.82
5.3.240.0100.03113.72
5.3.230.0060.04113.79
5.3.220.0070.03213.81
5.3.210.0030.04313.71
5.3.200.0030.02313.83
5.3.190.0060.04313.83
5.3.180.0060.03313.80
5.3.170.0040.03913.69
5.3.160.0090.03713.69
5.3.150.0060.02213.75
5.3.140.0080.03713.70
5.3.130.0020.04113.70
5.3.120.0030.02813.70
5.3.110.0030.04413.81
5.3.100.0030.04613.50
5.3.90.0050.03513.41
5.3.80.0070.03613.49
5.3.70.0100.02813.52
5.3.60.0090.03713.54
5.3.50.0060.04013.43
5.3.40.0060.03913.42
5.3.30.0050.04013.44
5.3.20.0050.04013.38
5.3.10.0040.03913.28
5.3.00.0080.03613.33
5.2.170.0130.05311.14
5.2.160.0100.05311.16
5.2.150.0030.06311.09
5.2.140.0070.02711.16
5.2.130.0070.05711.13
5.2.120.0030.06011.09
5.2.110.0100.06011.05
5.2.100.0100.05711.26
5.2.90.0030.05711.04
5.2.80.0100.05711.05
5.2.70.0070.05711.16
5.2.60.0030.03711.11
5.2.50.0000.06710.94
5.2.40.0070.05710.92
5.2.30.0070.03310.86
5.2.20.0070.05710.97
5.2.10.0000.06310.80
5.2.00.0030.03710.67
5.1.60.0000.05710.00
5.1.50.0030.0509.93
5.1.40.0030.0409.80
5.1.30.0030.06010.23
5.1.20.0100.05010.25
5.1.10.0000.05710.31
5.1.00.0000.0409.96
5.0.50.0030.0438.55
5.0.40.0000.0478.57
5.0.30.0000.0478.23
5.0.20.0030.0178.16
5.0.10.0030.0408.32
5.0.00.0000.0378.14
4.4.90.0130.0237.81
4.4.80.0000.0277.81
4.4.70.0000.0377.81
4.4.60.0000.0407.81
4.4.50.0000.0377.81
4.4.40.0070.0507.81
4.4.30.0030.0337.81
4.4.20.0000.0337.81
4.4.10.0070.0307.81
4.4.00.0000.0407.81
4.3.110.0000.0337.81
4.3.100.0000.0177.81
4.3.90.0000.0177.81
4.3.80.0000.0437.81
4.3.70.0000.0207.81
4.3.60.0030.0177.81
4.3.50.0030.0207.81
4.3.40.0000.0437.81
4.3.30.0000.0177.81
4.3.20.0030.0137.81
4.3.10.0000.0177.81
4.3.00.0030.0137.81

preferences:
49.44 ms | 400 KiB | 5 Q