3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'Foo'; $offset = 'bar'; $baz = &$string[$offset];

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)
8.3.70.0110.01116.48
8.3.60.0180.00418.68
8.3.50.0070.00817.48
8.3.40.0070.00718.71
8.3.30.0040.01118.67
8.3.20.0040.00422.10
8.3.10.0000.00920.89
8.3.00.0090.00020.89
8.2.190.0040.01218.41
8.2.180.0180.00018.41
8.2.170.0040.01122.96
8.2.160.0100.00320.53
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0050.00319.31
8.2.120.0000.00826.35
8.2.110.0030.00622.25
8.2.100.0090.00318.03
8.2.90.0030.00619.22
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0030.00517.92
8.2.50.0000.00818.10
8.2.40.0000.00822.18
8.2.30.0000.00719.16
8.2.20.0000.00817.96
8.2.10.0000.00718.03
8.2.00.0040.00418.10
8.1.280.0120.00625.92
8.1.270.0080.00022.04
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0100.00023.91
8.1.230.0040.00819.15
8.1.220.0060.00317.74
8.1.210.0000.00918.77
8.1.200.0030.00717.23
8.1.190.0030.00517.35
8.1.180.0080.00018.10
8.1.170.0080.00018.34
8.1.160.0040.00418.92
8.1.150.0050.00318.71
8.1.140.0040.00419.42
8.1.130.0000.00818.69
8.1.120.0000.00717.39
8.1.110.0040.00417.40
8.1.100.0050.00317.43
8.1.90.0000.00717.41
8.1.80.0050.00317.36
8.1.70.0000.00617.37
8.1.60.0040.00417.54
8.1.50.0040.00417.43
8.1.40.0050.00217.45
8.1.30.0040.00417.47
8.1.20.0030.00517.65
8.1.10.0030.00617.55
8.1.00.0000.00717.43
8.0.300.0070.00018.77
8.0.290.0050.00216.75
8.0.280.0000.00618.37
8.0.270.0030.00317.18
8.0.260.0030.00318.82
8.0.250.0000.00716.98
8.0.240.0040.00416.95
8.0.230.0070.00016.84
8.0.220.0000.00616.85
8.0.210.0030.00316.78
8.0.200.0000.00616.98
8.0.190.0030.00616.94
8.0.180.0040.00416.78
8.0.170.0030.00616.80
8.0.160.0000.00716.79
8.0.150.0070.00016.83
8.0.140.0000.00816.82
8.0.130.0000.00513.24
8.0.120.0000.00816.82
8.0.110.0050.00216.86
8.0.100.0070.00016.74
8.0.90.0080.00016.85
8.0.80.0110.00316.89
8.0.70.0040.00416.88
8.0.60.0000.00716.84
8.0.50.0050.00316.75
8.0.30.0100.00817.02
8.0.20.0140.00817.40
8.0.10.0070.00016.88
8.0.00.0040.01216.68
7.4.330.0060.00015.55
7.4.320.0060.00016.51
7.4.300.0030.00316.57
7.4.290.0030.00616.58
7.4.280.0000.00716.40
7.4.270.0030.00316.39
7.4.260.0000.01116.54
7.4.250.0000.00716.57
7.4.240.0000.00716.61
7.4.230.0030.00316.50
7.4.220.0110.00716.57
7.4.210.0070.01416.65
7.4.200.0030.00316.59
7.4.160.0050.01216.64
7.4.150.0160.01017.40
7.4.140.0080.01017.86
7.4.130.0150.00616.43
7.4.120.0100.01116.51
7.4.110.0130.00416.48
7.4.100.0070.01016.38
7.4.90.0180.00316.42
7.4.80.0030.01319.39
7.4.70.0060.01216.42
7.4.60.0060.00916.54
7.4.50.0040.01516.65
7.4.40.0030.01316.41
7.4.30.0150.00416.51
7.4.00.0000.01615.21
7.3.330.0050.00013.20
7.3.320.0000.00613.18
7.3.310.0000.00816.31
7.3.300.0070.00016.32
7.3.290.0090.00616.33
7.3.280.0090.00916.30
7.3.270.0090.00917.40
7.3.260.0100.00816.31
7.3.250.0140.00816.23
7.3.240.0100.00616.41
7.3.230.0070.01016.21
7.3.210.0110.00716.30
7.3.200.0080.00816.50
7.3.190.0110.01116.36
7.3.180.0130.00316.21
7.3.170.0110.00416.52
7.3.160.0060.00916.44
7.3.120.0030.01014.81
7.3.110.0070.01014.58
7.3.100.0040.01114.76
7.3.90.0030.00614.58
7.3.80.0060.00914.55
7.3.70.0070.00714.59
7.3.60.0030.00614.67
7.3.50.0000.01514.31
7.3.40.0080.00814.51
7.3.30.0120.00014.79
7.3.20.0110.00016.63
7.3.10.0080.00616.61
7.3.00.0030.00716.53
7.2.330.0060.01216.68
7.2.320.0130.01016.27
7.2.310.0070.01016.26
7.2.300.0160.00616.56
7.2.290.0030.01516.43
7.2.240.0030.00614.78
7.2.230.0030.01114.99
7.2.220.0060.00915.18
7.2.210.0070.01014.51
7.2.200.0120.00314.71
7.2.190.0000.01514.64
7.2.180.0140.00314.76
7.2.170.0060.01214.81
7.2.160.0030.01214.57
7.2.150.0060.01016.65
7.2.140.0040.00716.81
7.2.130.0040.01216.54
7.2.120.0000.01116.70
7.2.110.0040.01416.92
7.2.100.0030.01016.89
7.2.90.0030.01316.68
7.2.80.0060.00616.93
7.2.70.0030.01316.67
7.2.60.0080.00616.78
7.2.50.0040.00716.48
7.2.40.0120.00616.70
7.2.30.0090.00616.55
7.2.20.0000.01416.63
7.2.10.0070.00716.79
7.2.00.0030.01416.84
7.1.330.0060.00615.64
7.1.320.0030.01415.36
7.1.310.0030.00715.33
7.1.300.0000.00915.68
7.1.290.0000.01315.41
7.1.280.0080.00615.49
7.1.270.0040.01115.09
7.1.260.0070.00715.64
7.1.250.0110.00315.49
7.1.200.0060.00315.73
7.1.70.3370.01215.20
7.1.60.3030.02033.32
7.1.50.3460.00633.01
7.1.40.2930.01832.71
7.1.30.3690.01332.55
7.1.20.3400.01932.61
7.1.10.3470.01414.66
7.1.00.3180.01214.99
7.0.200.3980.01114.88
7.0.190.3930.01214.59
7.0.180.2970.01214.49
7.0.170.3950.01514.46
7.0.160.4620.00914.18
7.0.150.3320.01514.35
7.0.140.3230.01114.34
7.0.130.3000.01814.62
7.0.120.3170.01114.74
7.0.110.3100.01614.43
7.0.100.3310.01614.58
7.0.90.3360.01214.53
7.0.80.3410.01314.63
7.0.70.3680.01014.27
7.0.60.3730.01114.25
7.0.50.3370.01214.39
7.0.40.3440.00814.69
7.0.30.3170.01114.61
7.0.20.4040.01814.63
7.0.10.3110.01314.53
7.0.00.3120.01114.51

preferences:
45.02 ms | 401 KiB | 5 Q