3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a='"9""'; //$a= substr($a, 1, -1); echo $a; //echo str_replace('"', '', $a); ?>

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)
8.3.60.0070.01118.29
8.3.50.0070.01416.05
8.3.40.0200.00318.72
8.3.30.0120.00318.59
8.3.20.0040.00421.77
8.3.10.0110.00323.56
8.3.00.0070.00017.97
8.2.180.0060.01218.17
8.2.170.0070.00722.96
8.2.160.0090.00621.16
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00020.40
8.2.120.0050.00326.35
8.2.110.0060.01119.24
8.2.100.0080.00317.84
8.2.90.0080.00019.09
8.2.80.0000.00817.97
8.2.70.0080.00017.50
8.2.60.0030.00518.04
8.2.50.0040.00418.10
8.2.40.0040.00420.59
8.2.30.0000.00720.95
8.2.20.0040.00417.96
8.2.10.0000.00717.91
8.2.00.0040.00418.14
8.1.280.0190.00625.92
8.1.270.0040.00424.01
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00423.84
8.1.230.0100.00017.52
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0100.00017.23
8.1.190.0000.00817.22
8.1.180.0080.00018.10
8.1.170.0080.00018.59
8.1.160.0040.00418.75
8.1.150.0000.00720.25
8.1.140.0060.00319.45
8.1.130.0000.00718.81
8.1.120.0000.00717.39
8.1.110.0040.00417.39
8.1.100.0080.00017.37
8.1.90.0030.00617.29
8.1.80.0030.00317.41
8.1.70.0000.00817.29
8.1.60.0040.00417.41
8.1.50.0060.00317.33
8.1.40.0030.00617.48
8.1.30.0040.00417.63
8.1.20.0090.00017.42
8.1.10.0070.00017.54
8.1.00.0000.00917.40
8.0.300.0020.00518.77
8.0.290.0090.00016.75
8.0.280.0030.00318.30
8.0.270.0040.00717.15
8.0.260.0030.00316.72
8.0.250.0000.00716.98
8.0.240.0030.00616.81
8.0.230.0000.00716.90
8.0.220.0030.00316.83
8.0.210.0040.00416.76
8.0.200.0060.00016.71
8.0.190.0000.00916.88
8.0.180.0030.00516.76
8.0.170.0040.00416.82
8.0.160.0070.00016.66
8.0.150.0040.00416.75
8.0.140.0040.00416.72
8.0.130.0060.00013.20
8.0.120.0050.00216.81
8.0.110.0020.00516.70
8.0.100.0030.00616.78
8.0.90.0070.00016.71
8.0.80.0050.01116.86
8.0.70.0080.00016.66
8.0.60.0000.00716.70
8.0.50.0040.00416.65
8.0.30.0100.00816.92
8.0.20.0130.00617.40
8.0.10.0030.00516.95
8.0.00.0070.01016.71
7.4.330.0040.00415.55
7.4.320.0000.00616.51
7.4.300.0000.00616.42
7.4.290.0050.00716.41
7.4.280.0070.00016.56
7.4.270.0030.00316.42
7.4.260.0030.00316.52
7.4.250.0040.00316.48
7.4.240.0000.00716.45
7.4.230.0040.00416.47
7.4.220.0110.00616.54
7.4.210.0110.00816.41
7.4.200.0030.00316.50
7.4.160.0080.00916.46
7.4.150.0080.01117.40
7.4.140.0150.00517.86
7.4.130.0170.00616.46
7.4.120.0130.00616.34
7.4.110.0130.00316.40
7.4.100.0090.00816.29
7.4.90.0070.01016.32
7.4.80.0120.00619.39
7.4.70.0110.00716.38
7.4.60.0030.01416.52
7.4.50.0090.00616.30
7.4.40.0090.00816.49
7.4.30.0090.00616.25
7.4.00.0090.00614.68
7.3.330.0000.00513.15
7.3.320.0060.00013.09
7.3.310.0000.00716.15
7.3.300.0040.00415.99
7.3.290.0090.00516.17
7.3.280.0070.00916.15
7.3.270.0030.01417.40
7.3.260.0090.00716.21
7.3.250.0110.00916.23
7.3.240.0120.00616.40
7.3.230.0030.01516.29
7.3.210.0100.00716.43
7.3.200.0120.00416.16
7.3.190.0060.00916.29
7.3.180.0130.00316.23
7.3.170.0100.00716.58
7.3.160.0110.00416.49
7.3.10.0100.00316.53
7.3.00.0110.00116.64
7.2.330.0070.01316.38
7.2.320.0090.01516.59
7.2.310.0100.00716.63
7.2.300.0030.01316.50
7.2.290.0100.01016.54
7.2.130.0060.00616.63
7.2.120.0060.00716.57
7.2.110.0100.00216.59
7.2.100.0020.00916.58
7.2.90.0030.01116.79
7.2.80.0050.01016.76
7.2.70.0070.00516.58
7.2.60.0050.00716.78
7.2.50.0110.00016.67
7.2.40.0050.00916.77
7.2.30.0060.00916.83
7.2.20.0050.00816.71
7.2.10.0060.00716.85
7.2.00.0050.00616.82
7.1.250.0070.00515.59
7.1.240.0140.00715.74
7.1.230.0040.00815.78
7.1.220.0030.00615.43
7.1.210.0030.00715.49
7.1.200.0070.00815.46
7.1.190.0000.00915.48
7.1.180.0090.00615.76
7.1.170.0040.00715.71
7.1.160.0000.01215.39
7.1.150.0000.01115.76
7.1.140.0040.00815.45
7.1.130.0000.01115.82
7.1.120.0050.00315.59
7.1.110.0040.00715.72
7.1.100.0060.00315.61
7.1.90.0030.00615.77
7.1.80.0080.00815.64
7.1.70.0050.00516.17
7.1.60.0550.00824.14
7.1.50.0760.00524.18
7.1.40.0100.01124.12
7.1.30.0120.00824.24
7.1.20.1600.01424.19
7.1.10.0050.01215.17
7.1.00.1300.00915.21
7.0.330.0120.00315.14
7.0.320.0000.01215.32
7.0.310.0130.00015.16
7.0.300.0120.00315.43
7.0.290.0060.00915.21
7.0.280.0030.00615.39
7.0.270.0060.00615.04
7.0.260.0040.00415.44
7.0.250.0070.00415.41
7.0.240.0050.00215.13
7.0.230.0080.00815.40
7.0.220.0040.00815.38
7.0.210.0070.00715.38
7.0.200.0850.00315.07
7.0.190.0310.00815.06
7.0.180.0100.00314.89
7.0.170.0040.00714.82
7.0.160.1130.00515.00
7.0.150.0110.00714.84
7.0.140.0130.00714.90
7.0.130.0130.00914.85
7.0.120.0980.01414.74
7.0.110.0020.01214.82
7.0.100.0080.00814.75
7.0.90.0070.00714.64
7.0.80.1270.00514.96
7.0.70.0070.00814.70
7.0.60.0050.00714.59
7.0.50.0330.01014.73
7.0.40.0050.01013.80
7.0.30.0210.00613.91
7.0.20.0070.00713.90
7.0.10.0050.00813.90
7.0.00.0080.00613.78
5.6.380.0070.00414.11

preferences:
62.94 ms | 400 KiB | 5 Q