3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'abc'[-2]; echo $foo[-1];

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)
8.3.60.0070.01018.40
8.3.50.0160.00016.47
8.3.40.0070.00718.86
8.3.30.0090.00618.79
8.3.20.0030.00519.14
8.3.10.0040.00421.63
8.3.00.0050.00319.54
8.2.180.0140.00718.41
8.2.170.0110.00322.96
8.2.160.0130.00020.28
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00720.35
8.2.120.0040.00426.35
8.2.110.0070.00421.04
8.2.100.0040.00818.16
8.2.90.0050.00318.28
8.2.80.0000.00817.97
8.2.70.0060.00317.93
8.2.60.0000.00818.04
8.2.50.0000.00818.10
8.2.40.0070.00020.66
8.2.30.0080.00019.25
8.2.20.0040.00418.17
8.2.10.0000.00717.93
8.2.00.0000.00717.99
8.1.280.0110.00625.92
8.1.270.0040.00422.13
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0180.00322.12
8.1.230.0040.00722.70
8.1.220.0040.00417.79
8.1.210.0110.00018.77
8.1.200.0040.00417.22
8.1.190.0080.00017.23
8.1.180.0030.00618.10
8.1.170.0050.00318.49
8.1.160.0070.00019.07
8.1.150.0080.00020.55
8.1.140.0060.00319.38
8.1.130.0030.00318.73
8.1.120.0040.00417.36
8.1.110.0040.00417.39
8.1.100.0040.00417.39
8.1.90.0040.00417.46
8.1.80.0070.00417.33
8.1.70.0040.00417.39
8.1.60.0080.00017.49
8.1.50.0000.00717.50
8.1.40.0060.00617.20
8.1.30.0030.00517.61
8.1.20.0030.00617.62
8.1.10.0040.00417.50
8.1.00.0070.00017.49
8.0.300.0070.00019.69
8.0.290.0040.00416.75
8.0.280.0070.00018.43
8.0.270.0030.00317.24
8.0.260.0070.00016.82
8.0.250.0070.00017.06
8.0.240.0070.00317.02
8.0.230.0000.00816.87
8.0.220.0000.00816.88
8.0.210.0040.00516.87
8.0.200.0030.00316.82
8.0.190.0050.00316.95
8.0.180.0080.00016.91
8.0.170.0000.00816.94
8.0.160.0040.00416.79
8.0.150.0000.00716.87
8.0.140.0000.00716.83
8.0.130.0050.00013.19
8.0.120.0000.00816.87
8.0.110.0050.00216.92
8.0.100.0000.00816.68
8.0.90.0000.00716.73
8.0.80.0100.00716.85
8.0.70.0030.00516.87
8.0.60.0000.00816.91
8.0.50.0030.00316.71
8.0.30.0080.00916.88
8.0.20.0110.00917.40
8.0.10.0030.00316.85
8.0.00.0040.01416.60
7.4.330.0030.00315.55
7.4.320.0030.00316.44
7.4.300.0000.00716.48
7.4.290.0040.00516.50
7.4.280.0040.00416.41
7.4.270.0070.00016.58
7.4.260.0030.00313.12
7.4.250.0000.00716.48
7.4.240.0030.00516.46
7.4.230.0030.00316.54
7.4.220.0100.01116.50
7.4.210.0070.00816.39
7.4.200.0000.00716.53
7.4.160.0120.00816.49
7.4.150.0160.00717.40
7.4.140.0100.01217.86
7.4.130.0130.01016.29
7.4.120.0080.01016.41
7.4.110.0060.01216.41
7.4.100.0130.00316.44
7.4.90.0130.01016.32
7.4.80.0090.00919.39
7.4.70.0110.00516.43
7.4.60.0120.00816.38
7.4.50.0060.01016.40
7.4.40.0060.00916.46
7.4.30.0100.00616.37
7.4.00.0120.00414.73
7.3.330.0050.00213.00
7.3.320.0030.00312.93
7.3.310.0070.00016.12
7.3.300.0040.00416.12
7.3.290.0040.00416.25
7.3.280.0100.00816.25
7.3.270.0070.01417.40
7.3.260.0130.00316.26
7.3.250.0110.00616.22
7.3.240.0080.00916.31
7.3.230.0030.01316.26
7.3.210.0070.01416.26
7.3.200.0170.00016.20
7.3.190.0060.01016.66
7.3.180.0080.00816.49
7.3.170.0110.00516.27
7.3.160.0090.00616.29
7.3.120.0090.00714.81
7.3.110.0040.01114.32
7.3.100.0070.00714.58
7.3.90.0040.01214.65
7.3.80.0040.01114.79
7.3.70.0060.01014.93
7.3.60.0100.00014.82
7.3.50.0080.00414.91
7.3.40.0030.00614.71
7.3.30.0070.01014.82
7.3.20.0140.00016.63
7.3.10.0040.00716.59
7.3.00.0030.01416.63
7.2.330.0140.00716.63
7.2.320.0100.00616.81
7.2.310.0070.01116.41
7.2.300.0100.00716.76
7.2.290.0120.00416.80
7.2.240.0100.00714.58
7.2.230.0060.00614.89
7.2.220.0100.00714.91
7.2.210.0030.00714.67
7.2.200.0000.01415.11
7.2.190.0070.01015.00
7.2.180.0000.01514.93
7.2.170.0080.00814.89
7.2.160.0120.00315.02
7.2.150.0090.00616.78
7.2.140.0090.00616.84
7.2.130.0060.00916.86
7.2.120.0030.01216.49
7.2.110.0000.01216.67
7.2.100.0040.01416.97
7.2.90.0080.00417.16
7.2.80.0080.00817.00
7.2.70.0100.00716.84
7.2.60.0100.00516.79
7.2.50.0000.01216.46
7.2.40.0070.01016.96
7.2.30.0040.00717.05
7.2.20.0030.01016.88
7.2.10.0000.01716.96
7.2.00.0050.00618.19
7.1.330.0100.00715.71
7.1.320.0030.00615.65
7.1.310.0030.00815.86
7.1.300.0000.01615.47
7.1.290.0090.00915.75
7.1.280.0070.00715.39
7.1.270.0080.00615.71
7.1.260.0100.00715.77
7.1.250.0070.00715.64
7.1.200.0040.00715.71
7.1.100.0070.00417.95
7.1.70.0070.00417.07
7.1.60.0200.01733.23
7.1.50.0300.01332.61
7.1.40.0500.01732.54
7.1.30.0930.01732.69
7.1.20.0270.02032.84
7.1.10.0270.00014.73
7.1.00.6430.00714.86
7.0.200.0130.00714.80
7.0.190.0070.01014.59
7.0.180.0170.01014.32
7.0.170.0070.01714.28
7.0.160.1100.01014.26
7.0.150.0100.01014.40
7.0.140.0930.00714.41
7.0.130.0100.01314.56
7.0.120.1400.01014.57
7.0.110.5730.01714.43
7.0.100.1670.01714.66
7.0.90.0130.01314.54
7.0.80.0100.01014.59
7.0.70.0270.01014.29
7.0.60.3830.00714.34
7.0.50.0030.01314.64
7.0.40.0000.02014.63
7.0.30.0030.01714.48
7.0.20.0000.02014.55
7.0.10.0130.00714.57
7.0.00.0070.01314.71

preferences:
63.06 ms | 400 KiB | 5 Q