3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = '012345'; var_dump( ord('0') !== ord($s[0]), ord('0'), ord($s[0]), ini_get('opcache.optimization_level') );

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)
8.3.60.0190.00318.55
8.3.50.0090.00921.98
8.3.40.0060.00918.89
8.3.30.0090.00618.68
8.3.20.0000.00820.85
8.3.10.0000.00820.15
8.3.00.0040.00423.36
8.2.180.0070.01016.50
8.2.170.0150.00022.96
8.2.160.0100.00322.12
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00426.16
8.2.110.0070.00421.10
8.2.100.0030.00818.09
8.2.90.0000.00818.20
8.2.80.0040.00417.97
8.2.70.0060.00318.00
8.2.60.0040.00418.16
8.2.50.0040.00418.10
8.2.40.0000.00719.44
8.2.30.0040.00419.30
8.2.20.0050.00218.11
8.2.10.0000.00819.21
8.2.00.0040.00419.25
8.1.280.0140.00725.92
8.1.270.0060.00323.74
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00322.00
8.1.230.0080.00322.75
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0090.00017.13
8.1.190.0000.00917.11
8.1.180.0040.00418.10
8.1.170.0030.00618.59
8.1.160.0000.00718.83
8.1.150.0040.00418.84
8.1.140.0000.00718.87
8.1.130.0030.00320.07
8.1.120.0030.00317.39
8.1.110.0090.00017.42
8.1.100.0000.00817.42
8.1.90.0080.00017.38
8.1.80.0030.00617.41
8.1.70.0000.00717.43
8.1.60.0040.00417.48
8.1.50.0040.00417.45
8.1.40.0000.00817.40
8.1.30.0000.00717.47
8.1.20.0030.00617.46
8.1.10.0040.00417.43
8.1.00.0040.00417.48
8.0.300.0050.00319.56
8.0.290.0050.00316.58
8.0.280.0040.00418.46
8.0.270.0000.00717.17
8.0.260.0030.00318.37
8.0.250.0040.00416.78
8.0.240.0030.00316.90
8.0.230.0030.00316.86
8.0.220.0060.00316.84
8.0.210.0000.00716.75
8.0.200.0070.00016.89
8.0.190.0050.00316.92
8.0.180.0000.00816.89
8.0.170.0000.00816.85
8.0.160.0070.00016.91
8.0.150.0000.00716.65
8.0.140.0030.00316.68
8.0.130.0030.00313.29
8.0.120.0030.00316.83
8.0.110.0000.00716.76
8.0.100.0070.00016.86
8.0.90.0040.00416.77
8.0.80.0090.00616.79
8.0.70.0000.00716.62
8.0.60.0050.00316.89
8.0.50.0040.00416.63
8.0.30.0070.01017.30
8.0.20.0160.00317.07
8.0.10.0070.00016.92
8.0.00.0080.01116.63
7.4.330.0050.00015.55
7.4.320.0030.00316.42
7.4.300.0000.00616.40
7.4.290.0000.00716.45
7.4.280.0080.00416.46
7.4.270.0020.00516.58
7.4.260.0000.01016.48
7.4.250.0030.00316.51
7.4.240.0030.00416.50
7.4.230.0080.00016.39
7.4.220.0050.00216.39
7.4.210.0050.00816.54
7.4.200.0030.00316.60
7.4.130.0160.01016.46
7.4.120.0090.00816.47
7.4.110.0070.01016.55
7.4.100.0080.01516.39
7.4.90.0080.00916.52
7.4.80.0070.01019.39
7.4.70.0150.00616.59
7.4.60.0030.01416.45
7.4.50.0080.01116.54
7.4.40.0130.00616.21
7.4.00.0110.00415.18
7.3.330.0050.00013.06
7.3.320.0030.00313.08
7.3.310.0000.00716.27
7.3.300.0000.00716.23
7.3.290.0060.00016.06
7.3.280.0080.00816.04
7.3.260.0090.01016.39
7.3.240.0100.00616.40
7.3.230.0100.00716.18
7.3.210.0000.01716.25
7.3.200.0100.00616.27
7.3.190.0060.01116.23
7.3.180.0030.01216.48
7.3.170.0110.01116.38
7.3.160.0100.01616.39
7.3.60.0080.00414.71
7.3.50.0070.00714.63
7.3.40.0060.00614.93
7.3.30.0080.00314.77
7.3.20.0100.00414.83
7.3.10.0080.00614.56
7.3.00.0130.00014.91
7.2.330.0040.01416.46
7.2.320.0070.01016.72
7.2.310.0090.01316.60
7.2.300.0030.01316.64
7.2.290.0070.01016.58
7.2.190.0070.01414.71
7.2.180.0040.00714.68
7.2.170.0050.00814.92
7.2.160.0070.00715.04
7.2.150.0060.00915.08
7.2.140.0060.00814.93
7.2.130.0120.00615.11
7.2.120.0120.00614.89
7.2.110.0090.00915.03
7.2.100.0170.01015.02
7.2.90.0200.00315.14
7.2.80.0300.00015.08
7.2.70.0060.00914.98
7.2.60.0180.00614.89
7.2.50.0110.00314.78
7.2.40.0110.01115.07
7.2.30.0190.00014.97
7.2.20.0070.00715.05
7.2.10.0100.00615.11
7.2.00.0630.00315.13
7.1.300.0110.00313.76
7.1.290.0140.00313.79
7.1.280.0180.00613.97
7.1.270.0400.00713.79
7.1.260.0130.00013.86
7.1.250.0150.00314.00

preferences:
63.93 ms | 401 KiB | 5 Q