3v4l.org

run code in 300+ PHP versions simultaneously
<?php function pf() { echo "> String concat: " . (0.2+0.1)."\n> Plain echo: "; echo 0.2+0.1; echo "\n> JSON serialization: " . json_encode(0.2+0.1) . "\n"; } echo "Defaults (precision: " . ini_get('precision') . ", serialize precision: " . ini_get('serialize_precision') . ")\n"; pf(); echo "Precision set to -1 (old value: " . ini_set('precision', -1) . ")\n"; pf(); echo "Serialize precision set to 14 (old value: " . ini_set('serialize_precision', 14) . ")\n"; pf();

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)
8.3.60.0140.00718.55
8.3.50.0070.01316.38
8.3.40.0160.00018.89
8.3.30.0060.01218.31
8.3.20.0040.00421.95
8.3.10.0000.00920.41
8.3.00.0040.00419.02
8.2.180.0070.00718.00
8.2.170.0110.00422.96
8.2.160.0030.01019.34
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00719.77
8.2.110.0050.00520.35
8.2.100.0100.00317.78
8.2.90.0060.00317.91
8.2.80.0000.00817.97
8.2.70.0090.00017.90
8.2.60.0000.00818.05
8.2.50.0060.00318.10
8.2.40.0000.00719.22
8.2.30.0030.00619.19
8.2.20.0040.00418.09
8.2.10.0040.00419.26
8.2.00.0040.00418.00
8.1.280.0040.01125.92
8.1.270.0030.00620.29
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0080.00417.36
8.1.230.0000.01121.04
8.1.220.0070.00017.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0030.00517.13
8.1.180.0100.00018.10
8.1.170.0000.00918.52
8.1.160.0070.00018.79
8.1.150.0040.00418.89
8.1.140.0000.00720.32
8.1.130.0000.00720.18
8.1.120.0050.00317.30
8.1.110.0040.00417.38
8.1.100.0070.00017.42
8.1.90.0040.00417.27
8.1.80.0000.00717.39
8.1.70.0000.00817.33
8.1.60.0000.00817.40
8.1.50.0080.00017.52
8.1.40.0000.00717.34
8.1.30.0030.00617.55
8.1.20.0030.00517.56
8.1.10.0000.00717.47
8.1.00.0000.00717.41
8.0.300.0000.00820.00
8.0.290.0040.00416.58
8.0.280.0000.00718.44
8.0.270.0030.00317.09
8.0.260.0060.00018.30
8.0.250.0100.00016.88
8.0.240.0000.00716.80
8.0.230.0040.00416.86
8.0.220.0040.00416.88
8.0.210.0030.00316.71
8.0.200.0000.00816.90
8.0.190.0040.00416.79
8.0.180.0090.00016.78
8.0.170.0000.00816.89
8.0.160.0030.00616.79
8.0.150.0050.00316.73
8.0.140.0000.00816.69
8.0.130.0060.00013.28
8.0.120.0040.00416.69
8.0.110.0000.00716.82
8.0.100.0000.00716.79
8.0.90.0000.00716.80
8.0.80.0060.00916.81
8.0.70.0030.00516.68
8.0.60.0040.00416.71
8.0.50.0000.00716.95
8.0.30.0090.00916.95
8.0.20.0090.00916.82
8.0.10.0070.00016.86
8.0.00.0080.01316.65
7.4.330.0000.00415.55
7.4.320.0040.00416.43
7.4.300.0030.00316.59
7.4.290.0000.00716.53
7.4.280.0070.00016.57
7.4.270.0000.00616.57
7.4.260.0040.00416.60
7.4.250.0040.00416.49
7.4.240.0030.00316.59
7.4.230.0000.00716.24
7.4.220.0050.00316.57
7.4.210.0030.01116.51
7.4.200.0070.00016.38
7.4.160.0070.00816.50
7.4.140.0090.00817.86
7.4.130.0130.00616.43
7.4.120.0130.00916.43
7.4.110.0070.01216.63
7.4.100.0060.01616.37
7.4.90.0100.00616.38
7.4.80.0030.01619.39
7.4.70.0060.01516.48
7.4.60.0060.01016.66
7.4.50.0110.00716.09
7.4.40.0030.01916.35
7.4.00.0100.00715.12
7.3.330.0020.00213.27
7.3.320.0060.00013.24
7.3.310.0000.00816.24
7.3.300.0000.00716.10
7.3.290.0000.00716.19
7.3.280.0080.00816.24
7.3.260.0140.00616.34
7.3.240.0110.00916.49
7.3.230.0080.00816.57
7.3.210.0110.00816.51
7.3.200.0070.01016.56
7.3.190.0070.01016.32
7.3.180.0130.00916.50
7.3.170.0090.00916.45
7.3.160.0100.00616.42
7.3.120.0030.01314.77
7.3.110.0030.01614.75
7.3.100.0030.01214.88
7.3.90.0100.00714.78
7.3.80.0060.00615.09
7.3.70.0030.01014.75
7.3.60.0040.01114.80
7.3.50.0030.01014.69
7.3.40.0040.00414.53
7.3.30.0070.00714.91
7.3.20.0520.00415.32
7.3.10.0430.00815.63
7.3.00.0420.00715.67
7.2.330.0120.00816.67
7.2.320.0090.00916.34
7.2.310.0030.01316.75
7.2.300.0070.01016.70
7.2.290.0060.01116.75
7.2.250.0100.01015.09
7.2.240.0000.01714.75
7.2.230.0090.00615.21
7.2.220.0030.00614.88
7.2.210.0090.00415.15
7.2.200.0000.01314.66
7.2.190.0070.00714.99
7.2.180.0060.00914.77
7.2.170.0060.00615.11
7.2.150.0900.00614.82
7.2.140.0640.00714.91
7.2.130.0430.00714.94
7.2.120.0630.00614.79
7.2.110.0620.00314.65
7.2.100.0650.00015.05
7.2.90.0630.00314.89
7.2.80.0720.00714.90
7.2.70.0770.00414.92
7.2.60.0690.00315.01
7.2.50.0710.00714.84
7.2.40.0860.01014.99
7.2.30.0700.00014.97
7.2.20.0700.00615.05
7.2.10.0890.01014.89
7.2.00.0640.01615.03
7.1.330.0000.01315.83
7.1.320.0000.01715.36
7.1.310.0070.00715.52
7.1.300.0000.00915.73
7.1.290.0030.01215.82
7.1.280.0030.00915.82
7.1.270.0040.00415.61
7.1.260.0000.01515.71
7.1.250.0590.00713.96

preferences:
61.99 ms | 400 KiB | 5 Q