3v4l.org

run code in 300+ PHP versions simultaneously
<?php $initial_precision = ini_get('precision'); // JSON echo "JSON\n"; $j = '{ "v": 0.1234567890123456789 }'; echo "precision: " . $initial_precision . "\n"; var_dump(json_encode(json_decode($j))); ini_set('precision', 30); $d = json_decode($j); var_dump(json_encode(json_decode($j))); var_dump($d->v); // SERIALIZE echo "SERIALIZE\n"; $a = 0.1234567890123456789; echo serialize($a) . "\n"; echo "-- UNSERIALIZE\n"; ini_set('precision', $initial_precision); echo "precision: " . ini_get('precision') . "\n"; $s = "d:0.1234567890123456789;"; var_dump(unserialize($s)); // ini precision for var_dump ini_set('precision', 30); echo "precision: " . ini_get('precision') . "\n"; var_dump(unserialize($s)); // serialize precision echo "serialize_precision: " . ini_get('serialize_precision') . "\n"; echo "-- SERIALIZE\n"; echo serialize(unserialize($s)) . "\n"; ini_set('serialize_precision', 30); echo "serialize_precision: " . ini_get('serialize_precision') . "\n"; echo serialize(unserialize($s)) . "\n";

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)
8.4.120.0120.00820.60
8.4.110.0120.00819.17
8.4.100.0130.00817.48
8.4.90.0120.00920.78
8.4.80.0080.00319.00
8.4.70.0060.00218.97
8.4.60.0110.01118.61
8.4.50.0110.01120.21
8.4.40.0060.01317.62
8.4.30.0080.00017.69
8.4.20.0170.00317.51
8.4.10.0060.00317.37
8.3.250.0110.00818.77
8.3.240.0120.00716.45
8.3.230.0100.01016.42
8.3.220.0110.00818.94
8.3.210.0130.00616.64
8.3.200.0090.00716.67
8.3.190.0130.00617.37
8.3.180.0130.00616.73
8.3.170.0060.00817.36
8.3.160.0090.00918.13
8.3.150.0060.01220.80
8.3.140.0070.00716.79
8.3.130.0060.01316.34
8.3.120.0030.00520.42
8.3.110.0030.00616.51
8.3.100.0030.00616.53
8.3.90.0040.00426.77
8.3.80.0060.00316.38
8.3.70.0110.01118.20
8.3.60.0090.00916.75
8.3.50.0260.01521.21
8.3.40.0140.00718.70
8.3.30.0120.00318.92
8.3.20.0040.00420.34
8.3.10.0040.00421.77
8.3.00.0000.00817.38
8.2.290.0110.00816.59
8.2.280.0100.01018.14
8.2.270.0050.00517.39
8.2.260.0140.00419.96
8.2.250.0130.00316.70
8.2.240.0080.00016.70
8.2.230.0060.00320.94
8.2.220.0030.00624.06
8.2.210.0100.00026.77
8.2.200.0030.00616.63
8.2.190.0080.00816.58
8.2.180.0070.01125.92
8.2.170.0130.00622.96
8.2.160.0070.00720.57
8.2.150.0030.00625.66
8.2.140.0090.00624.66
8.2.130.0020.00526.16
8.2.120.0080.00019.79
8.2.110.0030.00619.39
8.2.100.0060.00617.63
8.2.90.0030.00519.17
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0050.00318.04
8.2.50.0000.00818.07
8.2.40.0080.00019.88
8.2.30.0040.00418.08
8.2.20.0080.00017.62
8.2.10.0040.00418.14
8.2.00.0060.00317.98
8.1.330.0110.00815.97
8.1.320.0090.01117.64
8.1.310.0190.00016.94
8.1.300.0080.00017.77
8.1.290.0060.00330.84
8.1.280.0120.00325.92
8.1.270.0000.00820.20
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.98
8.1.230.0040.00817.83
8.1.220.0030.00517.76
8.1.210.0030.00618.77
8.1.200.0070.00317.35
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0070.00018.53
8.1.160.0040.00422.12
8.1.150.0030.00518.91
8.1.140.0060.00317.44
8.1.130.0040.00417.59
8.1.120.0000.01017.46
8.1.110.0040.00417.40
8.1.100.0040.00417.48
8.1.90.0020.00517.48
8.1.80.0040.00417.47
8.1.70.0040.00417.48
8.1.60.0100.00017.52
8.1.50.0000.00817.54
8.1.40.0000.00817.45
8.1.30.0000.00817.60
8.1.20.0000.00817.72
8.1.10.0040.00417.57
8.1.00.0030.00617.39
8.0.300.0030.00618.77
8.0.290.0070.00016.75
8.0.280.0070.00018.44
8.0.270.0000.00816.85
8.0.260.0030.00317.32
8.0.250.0000.00616.93
8.0.240.0030.00317.02
8.0.230.0030.00316.83
8.0.220.0000.00616.90
8.0.210.0030.00316.92
8.0.200.0060.00016.86
8.0.190.0050.00216.99
8.0.180.0050.00316.93
8.0.170.0060.00316.91
8.0.160.0040.00416.79
8.0.150.0000.00716.70
8.0.140.0040.00416.86
8.0.130.0000.00513.38
8.0.120.0040.00416.71
8.0.110.0000.00816.88
8.0.100.0000.00717.02
8.0.90.0050.00316.95
8.0.80.0100.00716.84
8.0.70.0070.00016.77
8.0.60.0000.00716.68
8.0.50.0050.00316.91
8.0.30.0060.01016.98
8.0.20.0070.01517.40
8.0.10.0000.00716.96
8.0.00.0100.01416.66
7.4.330.0020.00216.75
7.4.320.0060.00016.56
7.4.300.0030.00716.56
7.4.290.0070.00016.57
7.4.280.0000.00816.42
7.4.270.0000.00816.51
7.4.260.0080.00016.51
7.4.250.0040.00416.52
7.4.240.0030.00416.47
7.4.230.0030.00316.36
7.4.220.0040.01416.66
7.4.210.0110.00316.49
7.4.200.0070.00016.38
7.4.160.0060.00916.54
7.4.150.0170.00717.40
7.4.140.0130.00817.86
7.4.130.0070.01116.45
7.4.120.0100.00816.58
7.4.110.0110.00816.36
7.4.100.0070.01416.46
7.4.90.0030.01416.56
7.4.80.0150.00319.39
7.4.70.0100.00816.45
7.4.60.0150.00416.55
7.4.50.0060.00316.60
7.4.40.0140.00316.44
7.4.30.0060.01216.57
7.4.00.0050.01114.90
7.3.330.0000.00513.14
7.3.320.0030.00313.06
7.3.310.0030.00516.13
7.3.300.0040.00416.32
7.3.290.0100.00716.27
7.3.280.0070.01216.30
7.3.270.0140.00317.40
7.3.260.0090.00916.47
7.3.250.0120.00516.29
7.3.240.0180.00016.68
7.3.230.0110.00716.46
7.3.210.0070.01016.37
7.3.200.0070.01019.39
7.3.190.0080.00816.55
7.3.180.0090.00616.61
7.3.170.0110.00716.63
7.3.160.0140.00316.53
7.3.120.0060.01214.82
7.3.110.0050.01314.76
7.3.100.0110.00714.86
7.3.90.0050.00814.75
7.3.80.0020.00914.82
7.3.70.0030.00714.58
7.3.60.0040.00714.77
7.3.50.0050.00714.84
7.3.40.0030.01214.86
7.3.30.0050.01114.79
7.3.20.0050.00816.40
7.3.10.0070.00416.68
7.3.00.0060.01016.64
7.2.330.0080.01216.80
7.2.320.0090.00916.73
7.2.310.0090.01416.77
7.2.300.0110.00816.75
7.2.290.0070.01316.62
7.2.250.0090.00814.91
7.2.240.0050.01214.97
7.2.230.0030.01015.19
7.2.220.0090.00614.96
7.2.210.0080.00615.20
7.2.200.0080.00715.10
7.2.190.0050.00715.09
7.2.180.0040.01214.91
7.2.170.0040.01315.20
7.2.160.0040.01414.68
7.2.150.0110.00316.85
7.2.140.0030.01017.01
7.2.130.0000.01316.86
7.2.120.0030.01016.82
7.2.110.0030.01017.00
7.2.100.0070.01016.75
7.2.90.0090.00616.92
7.2.80.0050.00516.86
7.2.70.0030.00717.04
7.2.60.0030.01017.01
7.2.50.0080.00717.16
7.2.40.0110.00416.84
7.2.30.0030.01016.87
7.2.20.0000.01417.20
7.2.10.0110.00416.95
7.2.00.0100.00718.39
7.1.330.0040.01315.84
7.1.320.0030.00815.79
7.1.310.0060.00815.90
7.1.300.0040.00715.78
7.1.290.0040.01015.69
7.1.280.0040.01215.80
7.1.270.0030.01015.75
7.1.260.0050.00715.64
7.1.250.0030.01215.98
7.1.240.0060.00615.61
7.1.230.0070.00715.65
7.1.220.0030.01015.69
7.1.210.0060.00615.77
7.1.200.0060.00515.90
7.1.190.0040.01115.82
7.1.180.0000.00915.97
7.1.170.0030.01615.79
7.1.160.0090.00615.80
7.1.150.0070.00715.54
7.1.140.0060.00615.86
7.1.130.0060.00915.76
7.1.120.0030.01315.59
7.1.110.0060.00315.88
7.1.100.0070.00817.04
7.1.90.0030.00715.96
7.1.80.0060.00615.61
7.1.70.0060.01016.26
7.1.60.0080.00817.60
7.1.50.0050.01116.33
7.1.40.0040.00815.83
7.1.30.0080.00815.96
7.1.20.0030.01015.80
7.1.10.0070.00715.88
7.1.00.0040.04519.04
7.0.330.0040.01115.16
7.0.320.0060.00915.61
7.0.310.0060.00615.51
7.0.300.0040.01115.64
7.0.290.0060.01215.13
7.0.280.0040.00415.34
7.0.270.0030.00615.43
7.0.260.0000.01015.42
7.0.250.0000.00915.47
7.0.240.0000.01615.35
7.0.230.0100.00015.26
7.0.220.0060.00315.27
7.0.210.0030.01415.53
7.0.200.0070.00716.00
7.0.190.0040.01115.49
7.0.180.0040.01115.52
7.0.170.0070.00715.50
7.0.160.0080.00415.55
7.0.150.0090.00315.20
7.0.140.0100.00715.65
7.0.130.0110.00715.60
7.0.120.0060.00915.27
7.0.110.0090.00315.46
7.0.100.0040.01115.59
7.0.90.0300.02717.58
7.0.80.0310.04417.71
7.0.70.0340.02317.70
7.0.60.0250.02517.62
7.0.50.0320.04417.87
7.0.40.0080.04116.83
7.0.30.0030.04916.84
7.0.20.0080.04216.86
7.0.10.0000.02916.80
7.0.00.0070.04916.84
5.6.400.0100.00314.23
5.6.390.0070.01114.27
5.6.380.0120.00314.57
5.6.370.0080.00814.34
5.6.360.0030.00614.43
5.6.350.0000.01214.02
5.6.340.0030.00714.51
5.6.330.0030.01314.36
5.6.320.0070.00714.45
5.6.310.0000.01414.48
5.6.300.0090.00414.43
5.6.290.0140.00314.11
5.6.280.0050.04017.63
5.6.270.0000.01114.11
5.6.260.0050.00514.38
5.6.250.0040.00414.32
5.6.240.0080.04317.43
5.6.230.0120.03917.47
5.6.220.0030.05017.36
5.6.210.0080.03117.44
5.6.200.0070.04817.78
5.6.190.0090.02717.73
5.6.180.0020.02917.65
5.6.170.0020.04017.66
5.6.160.0050.04617.45
5.6.150.0100.04217.80
5.6.140.0080.04717.64
5.6.130.0080.04417.73
5.6.120.0060.04317.78
5.6.110.0120.04317.78
5.6.100.0030.04817.71
5.6.90.0080.04117.84
5.6.80.0100.04217.34
5.6.70.0070.03817.28
5.6.60.0100.03817.34
5.6.50.0100.04017.33
5.6.40.0080.04417.19
5.6.30.0060.04617.21
5.6.20.0050.04517.40
5.6.10.0080.02717.25
5.6.00.0070.03517.34
5.5.380.0050.02417.48
5.5.370.0050.02717.27
5.5.360.0070.03017.31
5.5.350.0070.02717.42
5.5.340.0070.02817.57
5.5.330.0030.05017.63
5.5.320.0070.02717.57
5.5.310.0080.04217.55
5.5.300.0080.03217.65
5.5.290.0110.02617.44
5.5.280.0100.04017.55
5.5.270.0030.03717.44
5.5.260.0080.03817.45
5.5.250.0090.04417.52
5.5.240.0100.03817.24
5.5.230.0110.03517.14
5.5.220.0090.03517.09
5.5.210.0070.04216.99
5.5.200.0050.04417.15
5.5.190.0110.03617.15
5.5.180.0030.03317.21
5.5.170.0040.01114.00
5.5.160.0030.03117.30
5.5.150.0080.03117.21
5.5.140.0100.03917.20
5.5.130.0080.03517.26
5.5.120.0100.02717.20
5.5.110.0090.04217.19
5.5.100.0050.04117.13
5.5.90.0030.04717.27
5.5.80.0060.04117.11
5.5.70.0060.04317.15
5.5.60.0050.04317.07
5.5.50.0050.04416.92
5.5.40.0100.04017.12
5.5.30.0100.03817.22
5.5.20.0120.03817.01
5.5.10.0050.04217.00
5.5.00.0040.04117.12
5.4.450.0040.04515.60
5.4.440.0090.04215.48
5.4.430.0080.02015.54
5.4.420.0030.03015.62
5.4.410.0030.04315.59
5.4.400.0050.03815.44
5.4.390.0050.04215.45
5.4.380.0050.04115.47
5.4.370.0030.02515.45
5.4.360.0050.04715.49
5.4.350.0040.04115.49
5.4.340.0070.03615.46
5.4.330.0000.01211.85
5.4.320.0110.03515.41
5.4.310.0070.03415.41
5.4.300.0050.03915.48
5.4.290.0100.03815.44
5.4.280.0070.02215.40
5.4.270.0030.04315.45
5.4.260.0050.04115.31
5.4.250.0040.04415.42
5.4.240.0070.04115.46
5.4.230.0020.04115.44
5.4.220.0030.04115.48
5.4.210.0090.03015.42
5.4.200.0070.03815.47
5.4.190.0080.03715.53
5.4.180.0070.02515.49
5.4.170.0080.04315.46
5.4.160.0100.03315.53
5.4.150.0060.04315.46
5.4.140.0030.02814.11
5.4.130.0030.02914.06
5.4.120.0050.04014.06
5.4.110.0070.03814.05
5.4.100.0030.03914.16
5.4.90.0050.04214.11
5.4.80.0110.03314.13
5.4.70.0050.01814.11
5.4.60.0060.03514.09
5.4.50.0040.04514.11
5.4.40.0050.03014.15
5.4.30.0010.04014.11
5.4.20.0030.03814.01
5.4.10.0030.02814.09
5.4.00.0070.03813.84
5.3.290.0130.07014.67
5.3.280.0130.06714.52
5.3.270.0070.06714.64
5.3.260.0030.04714.63
5.3.250.0070.05314.48
5.3.240.0170.06714.50
5.3.230.0030.07314.61
5.3.220.0070.05014.58
5.3.210.0030.07014.57
5.3.200.0200.06714.58
5.3.190.0100.07014.58
5.3.180.0070.07714.59
5.3.170.0100.06314.45
5.3.160.0070.07314.59
5.3.150.0130.07014.49
5.3.140.0100.07714.52
5.3.130.0070.05014.52
5.3.120.0070.06014.40
5.3.110.0070.07314.47
5.3.100.0100.06714.04
5.3.90.0100.07014.03
5.3.80.0100.06713.90
5.3.70.0000.04313.80
5.3.60.0030.07314.03
5.3.50.0170.06313.93
5.3.40.0170.06013.94
5.3.30.0130.07013.70
5.3.20.0100.06713.64
5.3.10.0130.06313.58
5.3.00.0030.07313.64
5.2.170.0070.05311.23
5.2.160.0070.04011.23
5.2.150.0070.06011.08
5.2.140.0070.05311.21
5.2.130.0070.06011.04
5.2.120.0030.06310.95
5.2.110.0070.06311.16
5.2.100.0100.05711.06
5.2.90.0030.06311.19
5.2.80.0030.06011.11
5.2.70.0000.06311.03
5.2.60.0000.05311.06
5.2.50.0000.06310.89
5.2.40.0030.06310.97
5.2.30.0070.06311.03
5.2.20.0030.06310.99
5.2.10.0130.04310.89
5.2.00.0030.05010.84
5.1.60.0070.02710.04
5.1.50.0000.03710.06
5.1.40.0030.0309.98
5.1.30.0130.05010.40
5.1.20.0070.05710.41
5.1.10.0030.05310.13
5.1.00.0030.05310.17
5.0.50.0070.0339.91
5.0.40.0070.0409.91
5.0.30.0000.0479.91
5.0.20.0030.0439.91
5.0.10.0030.0239.91
5.0.00.0070.0639.91
4.4.90.0170.0239.91
4.4.80.0100.0309.91
4.4.70.0030.0239.91
4.4.60.0130.0279.91
4.4.50.0000.0379.91
4.4.40.0030.0479.91
4.4.30.0000.0339.91
4.4.20.0070.0309.91
4.4.10.0000.0339.91
4.4.00.0030.0509.91
4.3.110.0030.0209.91
4.3.100.0000.0209.91
4.3.90.0000.0339.91
4.3.80.0030.0279.91
4.3.70.0100.0279.91
4.3.60.0000.0309.91
4.3.50.0030.0339.91
4.3.40.0000.0439.91
4.3.30.0000.0379.91
4.3.20.0000.0339.91
4.3.10.0000.0379.91
4.3.00.0030.0339.91

preferences:
32.56 ms | 403 KiB | 5 Q