3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'abc'; echo $str[-50];

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)
8.3.60.0090.00618.33
8.3.50.0040.01117.86
8.3.40.0100.00718.84
8.3.30.0140.00418.68
8.3.20.0080.00019.29
8.3.10.0060.00323.61
8.3.00.0050.00320.64
8.2.180.0110.00418.29
8.2.170.0140.00022.96
8.2.160.0120.00320.36
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00417.97
8.2.120.0050.00326.35
8.2.110.0090.00020.52
8.2.100.0040.00717.78
8.2.90.0040.00418.16
8.2.80.0050.00318.16
8.2.70.0030.00518.03
8.2.60.0080.00417.81
8.2.50.0040.00418.10
8.2.40.0040.00419.48
8.2.30.0040.00419.34
8.2.20.0040.00418.04
8.2.10.0030.00517.85
8.2.00.0080.00017.59
8.1.280.0200.00025.92
8.1.270.0110.00423.90
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00422.45
8.1.230.0090.00320.97
8.1.220.0000.00917.74
8.1.210.0030.00518.77
8.1.200.0030.00717.23
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0040.00418.57
8.1.160.0000.00918.73
8.1.150.0070.00018.73
8.1.140.0070.00022.04
8.1.130.0030.00522.03
8.1.120.0000.00717.29
8.1.110.0030.00317.40
8.1.100.0000.00717.36
8.1.90.0050.00217.34
8.1.80.0000.00717.39
8.1.70.0000.00717.39
8.1.60.0030.00617.52
8.1.50.0040.00417.36
8.1.40.0080.00017.46
8.1.30.0070.00017.57
8.1.20.0000.00717.58
8.1.10.0050.00217.57
8.1.00.0000.00717.46
8.0.300.0040.00419.85
8.0.290.0070.00016.75
8.0.280.0030.00318.45
8.0.270.0030.00316.79
8.0.260.0030.00318.36
8.0.250.0040.00416.99
8.0.240.0040.00416.93
8.0.230.0040.00416.84
8.0.220.0060.00316.91
8.0.210.0030.00316.85
8.0.200.0030.00316.83
8.0.190.0040.00416.98
8.0.180.0040.00416.89
8.0.170.0040.00416.93
8.0.160.0040.00416.86
8.0.150.0000.00716.81
8.0.140.0000.00716.80
8.0.130.0000.00613.33
8.0.120.0030.00616.88
8.0.110.0000.00716.87
8.0.100.0050.00216.66
8.0.90.0040.00416.89
8.0.80.0100.00716.82
8.0.70.0030.00316.82
8.0.60.0040.00416.72
8.0.50.0000.00716.77
8.0.30.0100.01017.08
8.0.20.0160.00317.40
8.0.10.0000.00717.00
8.0.00.0100.01216.87
7.4.330.0030.00315.55
7.4.320.0000.00716.50
7.4.300.0000.00616.53
7.4.290.0050.00316.37
7.4.280.0000.00916.36
7.4.270.0000.00716.44
7.4.260.0040.00416.52
7.4.250.0000.00716.39
7.4.240.0030.00316.57
7.4.230.0030.00616.55
7.4.220.0040.00416.33
7.4.210.0020.01316.47
7.4.200.0040.00416.41
7.4.160.0060.01216.45
7.4.140.0080.01117.86
7.4.130.0090.01216.69
7.4.120.0110.00716.52
7.4.110.0170.00016.42
7.4.100.0100.00716.41
7.4.90.0090.00916.34
7.4.80.0100.00719.39
7.4.70.0150.00616.69
7.4.60.0100.00716.61
7.4.50.0040.01116.37
7.4.40.0060.00916.35
7.4.10.0030.01614.83
7.4.00.0080.00914.94
7.3.330.0000.00513.21
7.3.320.0050.00013.01
7.3.310.0060.00016.08
7.3.300.0000.00716.21
7.3.290.0040.00416.24
7.3.280.0070.00816.33
7.3.260.0100.00816.36
7.3.240.0100.00916.36
7.3.230.0000.01716.48
7.3.210.0160.00416.26
7.3.200.0070.01416.42
7.3.190.0090.00616.27
7.3.180.0030.01416.26
7.3.170.0030.01516.59
7.3.160.0090.01316.43
7.3.130.0000.01514.79
7.3.120.0060.01114.77
7.3.110.0040.01114.87
7.3.100.0090.00614.78
7.3.90.0040.00614.79
7.3.80.0020.01414.75
7.3.70.0020.01414.73
7.3.60.0020.01014.76
7.3.50.0030.01114.68
7.3.40.0050.00614.74
7.3.30.0070.00614.77
7.3.20.0100.00316.57
7.3.10.0070.00516.45
7.3.00.0090.00616.57
7.2.330.0180.00316.50
7.2.320.0090.00916.63
7.2.310.0070.01016.72
7.2.300.0120.00416.57
7.2.290.0060.01516.56
7.2.260.0060.01214.93
7.2.250.0040.01314.95
7.2.240.0050.01315.03
7.2.230.0090.00714.92
7.2.220.0020.00915.04
7.2.210.0070.00714.94
7.2.200.0020.01414.94
7.2.190.0080.00614.93
7.2.180.0050.00815.05
7.2.170.0070.00615.01
7.2.160.0100.00314.83
7.2.150.0090.00616.57
7.2.140.0060.00616.88
7.2.130.0060.00616.57
7.2.120.0080.00816.72
7.2.110.0180.00915.71
7.2.100.0160.00915.70
7.2.90.0120.00315.72
7.2.80.0080.00815.74
7.2.70.0050.00815.70
7.2.60.0080.00815.76
7.2.50.0070.00515.62
7.2.40.0090.00515.80
7.2.30.0230.01015.79
7.2.20.0360.00515.78
7.2.10.0230.00915.69
7.2.00.0240.00915.70
7.1.330.0050.00915.72
7.1.320.0030.01215.65
7.1.310.0050.01015.76
7.1.300.0050.00815.71
7.1.290.0050.00815.61
7.1.280.0050.00615.59
7.1.270.0040.00715.63
7.1.260.0020.01015.76
7.1.250.0040.00415.62
7.1.240.0080.00815.92
7.1.230.0060.00714.61
7.1.220.0050.01214.80
7.1.210.0050.01114.74
7.1.200.0140.00514.50
7.1.190.0510.00614.86
7.1.180.0220.00814.63
7.1.170.0100.00714.45
7.1.160.0130.00214.52
7.1.150.0450.00514.50
7.1.140.0370.01014.81
7.1.130.0100.00514.76
7.1.120.0060.00914.88
7.1.110.0070.00414.75
7.1.100.0360.00814.60
7.1.90.0370.00614.74
7.1.80.0100.00814.96
7.1.70.0080.00414.63
7.1.60.0200.00723.71
7.1.50.0190.00723.79
7.1.40.0160.00823.49
7.1.30.0740.01123.73
7.1.20.0710.01523.77
7.1.10.0480.00814.78
7.1.00.0430.00714.83
7.0.330.0040.00715.23
7.0.320.0040.01115.36
7.0.310.0060.00315.43
7.0.300.0030.00915.26
7.0.290.0000.00915.34
7.0.280.0040.01115.32
7.0.270.0070.00715.44
7.0.260.0000.01515.31
7.0.250.0070.00315.34
7.0.240.0080.00315.35
7.0.230.0110.00414.98
7.0.220.0070.00715.40
7.0.210.0030.00715.23
7.0.200.0100.00315.14
7.0.190.0000.01615.48
7.0.180.0070.00315.26
7.0.170.0040.00715.56
7.0.160.0060.00915.15
7.0.150.0070.00715.48
7.0.140.0090.00614.98
7.0.130.0070.00715.61
7.0.120.0030.01015.41
7.0.110.0040.00415.48
7.0.100.0030.00715.53
7.0.90.0060.00615.33
7.0.80.0040.00815.46
7.0.70.0080.00315.45
7.0.60.0000.01315.37
7.0.50.0040.00815.33
7.0.40.0030.01013.47
7.0.30.0030.00613.28
7.0.20.0050.00313.24
7.0.10.0060.00313.51
7.0.00.0060.00613.30
5.6.400.0060.01014.27
5.6.390.0030.01414.40
5.6.380.0060.00614.07
5.6.370.0030.01214.24
5.6.360.0160.00014.59
5.6.350.0060.00614.41
5.6.340.0000.01314.30
5.6.330.0030.01013.98
5.6.320.0030.01013.89
5.6.310.0030.01214.10
5.6.300.0000.00914.25
5.6.290.0050.00514.02
5.6.280.0050.00514.03
5.6.270.0000.01114.35
5.6.260.0060.00314.20
5.6.250.0030.00714.62
5.6.240.0040.01114.22
5.6.230.0090.00314.45
5.6.220.0100.00314.66
5.6.210.0090.00314.13
5.6.200.0030.01014.17
5.6.190.0000.01414.34
5.6.180.0030.00714.30
5.6.170.0000.00914.20
5.6.160.0030.00714.25
5.6.150.0030.01014.59
5.6.140.0030.00514.08
5.6.130.0090.00314.18
5.6.120.0030.00914.11
5.6.110.0000.01114.24
5.6.100.0110.00314.23
5.6.90.0060.00314.37
5.6.80.0060.00314.36
5.6.70.0000.01214.22
5.6.60.0060.00314.09
5.6.50.0040.01414.16
5.6.40.0030.00614.34
5.6.30.0040.00414.27
5.6.20.0040.00814.23
5.6.10.0070.00714.16
5.6.00.0030.01314.12

preferences:
54.79 ms | 400 KiB | 5 Q