3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode("\u{00BF}"));

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)
8.3.60.0100.01018.43
8.3.50.0140.00718.18
8.3.40.0120.00318.59
8.3.30.0060.01118.25
8.3.20.0040.00421.60
8.3.10.0040.00418.53
8.3.00.0030.00519.26
8.2.180.0110.00418.04
8.2.170.0070.00722.96
8.2.160.0100.00719.27
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0050.00320.35
8.2.120.0040.00426.35
8.2.110.0060.00321.04
8.2.100.0070.00419.41
8.2.90.0040.00419.01
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0050.00318.16
8.2.30.0050.00217.89
8.2.20.0040.00418.03
8.2.10.0030.00319.29
8.2.00.0000.00717.98
8.1.280.0090.00625.92
8.1.270.0090.00020.33
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00520.81
8.1.230.0080.00322.20
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0070.00317.10
8.1.180.0000.00818.10
8.1.170.0110.00018.46
8.1.160.0040.00418.76
8.1.150.0080.00018.67
8.1.140.0040.00420.12
8.1.130.0060.00320.31
8.1.120.0030.00517.22
8.1.110.0040.00417.32
8.1.100.0000.00717.25
8.1.90.0070.00017.35
8.1.80.0030.00517.25
8.1.70.0000.00717.32
8.1.60.0000.00817.43
8.1.50.0000.00817.26
8.1.40.0090.00017.27
8.1.30.0040.00417.51
8.1.20.0030.00717.34
8.1.10.0080.00017.27
8.1.00.0040.00417.28
8.0.300.0040.00418.77
8.0.290.0000.00916.58
8.0.280.0030.00318.16
8.0.270.0040.00417.16
8.0.260.0060.00018.30
8.0.250.0030.00316.79
8.0.240.0060.00016.86
8.0.230.0070.00016.76
8.0.220.0040.00416.75
8.0.210.0070.00016.63
8.0.200.0070.00016.80
8.0.190.0040.00416.86
8.0.180.0000.00916.78
8.0.170.0040.00416.73
8.0.160.0030.00316.81
8.0.150.0070.00016.65
8.0.140.0070.00316.63
8.0.130.0030.00313.14
8.0.120.0050.00216.70
8.0.110.0030.00316.61
8.0.100.0070.00016.60
8.0.90.0000.00716.64
8.0.80.0070.00716.71
8.0.70.0070.00016.55
8.0.60.0050.00216.74
8.0.50.0020.00516.81
8.0.30.0090.01216.78
8.0.20.0120.00816.74
8.0.10.0040.00416.83
8.0.00.0090.00816.52
7.4.330.0040.00015.55
7.4.320.0050.00216.40
7.4.300.0000.00616.41
7.4.290.0030.00316.43
7.4.280.0080.00016.50
7.4.270.0000.00816.47
7.4.260.0000.00716.48
7.4.250.0030.00316.33
7.4.240.0070.00016.48
7.4.230.0000.00816.46
7.4.220.0040.00416.20
7.4.210.0050.01216.49
7.4.200.0070.00016.39
7.4.160.0140.00316.30
7.4.140.0140.00917.86
7.4.130.0140.01016.31
7.4.120.0060.01616.32
7.4.110.0110.00616.45
7.4.100.0150.00916.26
7.4.90.0090.00816.31
7.4.80.0090.00619.39
7.4.70.0060.01116.32
7.4.60.0060.01216.36
7.4.50.0050.00516.36
7.4.40.0090.00916.14
7.4.00.0060.00914.89
7.3.330.0050.00013.00
7.3.320.0060.00012.88
7.3.310.0030.00316.14
7.3.300.0030.00316.12
7.3.290.0120.00316.18
7.3.280.0070.00816.04
7.3.260.0110.00716.28
7.3.240.0100.00816.29
7.3.230.0040.01216.09
7.3.210.0080.00816.22
7.3.200.0100.00616.18
7.3.190.0100.00716.35
7.3.180.0060.01016.11
7.3.170.0060.01016.14
7.3.160.0130.00316.15
7.3.120.0090.00614.79
7.3.110.0030.01014.84
7.3.100.0060.00714.52
7.3.90.0080.00414.40
7.3.80.0030.01314.55
7.3.70.0110.00414.63
7.3.60.0110.00414.55
7.3.50.0070.01014.62
7.3.40.0120.00314.75
7.3.30.0040.01214.73
7.3.20.0130.00516.39
7.3.10.0060.00716.50
7.3.00.0080.00516.43
7.2.330.0150.00416.46
7.2.320.0030.01316.39
7.2.310.0160.00016.48
7.2.300.0060.01016.32
7.2.290.0140.01016.28
7.2.240.0070.01015.00
7.2.230.0070.00715.02
7.2.220.0030.01014.48
7.2.210.0000.01514.70
7.2.200.0100.00614.76
7.2.190.0030.01014.92
7.2.180.0000.01514.61
7.2.170.0020.01114.90
7.2.160.0040.01114.67
7.2.150.0040.01016.67
7.2.140.0130.00716.68
7.2.130.0080.01016.54
7.2.120.0080.00616.72
7.2.110.0080.00616.69
7.2.100.0070.00516.66
7.2.90.0050.00916.83
7.2.80.0110.00616.57
7.2.70.0050.00916.60
7.2.60.0110.00916.79
7.2.50.0070.01116.65
7.2.40.0090.00716.59
7.2.30.0070.00616.95
7.2.20.0090.00516.74
7.2.10.0050.00716.70
7.2.00.0110.00916.66
7.1.330.0100.00715.68
7.1.320.0100.00315.38
7.1.310.0110.00015.57
7.1.300.0070.00715.63
7.1.290.0030.01415.74
7.1.280.0100.00715.58
7.1.270.0030.01015.66
7.1.260.0130.00315.79
7.1.250.0030.00915.57

preferences:
56.8 ms | 401 KiB | 5 Q