3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strtolower("0") == strtolower(0)); var_dump(strtolower("0") == strtolower("0"));

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)
8.3.60.0120.00318.23
8.3.50.0040.01116.06
8.3.40.0120.00918.55
8.3.30.0190.00318.69
8.3.20.0030.00620.39
8.3.10.0080.00021.89
8.3.00.0120.00620.89
8.2.180.0150.00618.29
8.2.170.0100.01022.96
8.2.160.0090.00922.05
8.2.150.0040.00424.18
8.2.140.0120.00624.66
8.2.130.0040.00422.11
8.2.120.0070.00726.35
8.2.110.0080.00322.16
8.2.100.0070.00420.53
8.2.90.0000.00717.97
8.2.80.0000.00917.97
8.2.70.0050.00517.80
8.2.60.0020.00517.91
8.2.50.0060.00318.10
8.2.40.0040.00420.59
8.2.30.0030.00520.90
8.2.20.0080.00017.84
8.2.10.0050.00317.93
8.2.00.0050.00217.90
8.1.280.0120.00925.92
8.1.270.0080.00024.00
8.1.260.0000.01126.35
8.1.250.0040.00428.09
8.1.240.0100.00023.80
8.1.230.0080.00419.10
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0000.01117.23
8.1.190.0050.00317.10
8.1.180.0080.00018.10
8.1.170.0080.00018.50
8.1.160.0040.00418.94
8.1.150.0050.00320.66
8.1.140.0040.00419.38
8.1.130.0030.00318.73
8.1.120.0000.00717.40
8.1.110.0030.00617.27
8.1.100.0040.00317.41
8.1.90.0020.00517.36
8.1.80.0000.00717.29
8.1.70.0040.00417.35
8.1.60.0030.00617.49
8.1.50.0000.00817.50
8.1.40.0000.00817.50
8.1.30.0050.00517.48
8.1.20.0080.00017.47
8.1.10.0000.00817.34
8.1.00.0080.00017.29
8.0.300.0040.00419.62
8.0.290.0000.00716.58
8.0.280.0070.00018.27
8.0.270.0000.00817.08
8.0.260.0000.00716.70
8.0.250.0030.00316.81
8.0.240.0040.00416.81
8.0.230.0070.00016.76
8.0.220.0060.00016.80
8.0.210.0030.00316.73
8.0.200.0060.00016.87
8.0.190.0060.00316.71
8.0.180.0000.00716.79
8.0.170.0040.00416.69
8.0.160.0030.00316.75
8.0.150.0080.00016.66
8.0.140.0000.00816.73
8.0.130.0060.00013.24
8.0.120.0070.00016.63
8.0.110.0000.00816.75
8.0.100.0050.00316.62
8.0.90.0040.00416.72
8.0.80.0120.00316.74
8.0.70.0000.00716.69
8.0.60.0000.00816.77
8.0.50.0000.00816.68
8.0.30.0140.00517.09
8.0.20.0130.00917.40
8.0.10.0040.00416.97
8.0.00.0090.00916.66
7.4.330.0030.00315.55
7.4.320.0000.00616.56
7.4.300.0060.00016.52
7.4.290.0040.00416.43
7.4.280.0000.00816.32
7.4.270.0030.00316.46
7.4.260.0060.00013.20
7.4.250.0030.00316.49
7.4.240.0000.00716.37
7.4.230.0050.00316.44
7.4.220.0090.00916.37
7.4.210.0130.00616.45
7.4.200.0030.00316.27
7.4.160.0110.00816.33
7.4.150.0090.01217.40
7.4.140.0110.01017.86
7.4.130.0060.01216.19
7.4.120.0120.00616.31
7.4.110.0070.01016.54
7.4.100.0100.00716.30
7.4.90.0100.00716.36
7.4.80.0030.01519.39
7.4.70.0130.00316.42
7.4.60.0090.01216.61
7.4.50.0040.01216.16
7.4.40.0070.01316.56
7.4.30.0070.01016.63
7.4.10.0030.01215.01
7.4.00.0050.01114.95
7.3.330.0030.00312.93
7.3.320.0000.00513.10
7.3.310.0000.00716.28
7.3.300.0030.00316.21
7.3.290.0090.00516.20
7.3.280.0110.00816.17
7.3.270.0130.00517.40
7.3.260.0100.01016.37
7.3.250.0060.01216.34
7.3.240.0080.01016.29
7.3.230.0090.00916.25
7.3.210.0100.00616.46
7.3.200.0120.00416.05
7.3.190.0030.01416.14
7.3.180.0160.00716.43
7.3.170.0040.01216.29
7.3.160.0080.00816.21
7.3.130.0070.01014.71
7.3.120.0030.01414.69
7.3.110.0030.01614.88
7.3.100.0030.01314.75
7.3.90.0030.01014.93
7.3.80.0040.01114.79
7.3.70.0030.00914.54
7.3.60.0060.00614.52
7.3.50.0030.00714.86
7.3.40.0120.00014.76
7.3.30.0040.01114.79
7.3.20.0030.00716.43
7.3.10.0070.00716.64
7.3.00.0040.00416.63
7.2.330.0150.00416.37
7.2.320.0100.00716.46
7.2.310.0130.00316.13
7.2.300.0080.00816.51
7.2.290.0170.00316.60
7.2.260.0070.01014.85
7.2.250.0110.00714.56
7.2.240.0110.00415.01
7.2.230.0070.00714.96
7.2.220.0060.01315.11
7.2.210.0070.00714.85
7.2.200.0000.01214.87
7.2.190.0030.00614.92
7.2.180.0040.00414.59
7.2.170.0060.00614.94
7.2.160.0000.00814.94
7.2.150.0030.00916.87
7.2.140.0070.00716.72
7.2.130.0060.00316.88
7.2.120.0000.01316.51
7.2.110.0100.00716.66
7.2.100.0090.00916.77
7.2.90.0120.00316.99
7.2.80.0070.00616.67
7.2.70.0030.00716.89
7.2.60.0040.01116.81
7.2.50.0030.01316.88
7.2.40.0040.01116.77
7.2.30.0090.00616.70
7.2.20.0060.00916.80
7.2.10.0070.01116.62
7.2.00.0070.00518.23
7.1.330.0030.01015.43
7.1.320.0090.00915.43
7.1.310.0070.00715.75
7.1.300.0040.01115.56
7.1.290.0030.00715.61
7.1.280.0070.00715.90
7.1.270.0030.00615.78
7.1.260.0030.01015.81
7.1.250.0030.01015.49
7.1.240.0100.00715.49
7.1.230.0120.00315.56
7.1.220.0090.00915.47
7.1.210.0090.00315.41
7.1.200.0060.00615.58
7.1.190.0130.00015.57
7.1.180.0030.01015.48
7.1.170.0070.00715.58
7.1.160.0060.00615.62
7.1.150.0030.00715.62
7.1.140.0040.01115.66
7.1.130.0030.01015.70
7.1.120.0070.00715.67
7.1.110.0030.01215.83
7.1.100.0050.00716.80
7.1.90.0030.01015.45
7.1.80.0030.00815.81
7.1.70.0050.00716.25
7.1.60.0170.01524.42
7.1.50.0240.00424.16
7.1.40.0200.01323.96
7.1.30.0230.00824.04
7.1.20.0340.00524.24
7.1.10.0120.01215.27
7.1.00.0120.01015.22
7.0.330.0070.00715.32
7.0.320.0060.00615.26
7.0.310.0040.00715.25
7.0.300.0070.00715.21
7.0.290.0030.01015.16
7.0.280.0000.00915.11
7.0.270.0030.01015.48
7.0.260.0000.01215.24
7.0.250.0070.00715.38
7.0.240.0060.00915.38
7.0.230.0050.00515.39
7.0.220.0040.00715.36
7.0.210.0070.00715.36
7.0.200.0130.01215.09
7.0.190.0150.01014.92
7.0.180.0200.00314.82
7.0.170.0150.00714.87
7.0.160.0190.00714.70
7.0.150.0170.01114.73
7.0.140.0170.00514.95
7.0.130.0170.00814.87
7.0.120.0180.00615.12
7.0.110.0170.01214.74
7.0.100.0210.00814.77
7.0.90.0220.00214.89
7.0.80.0210.00314.91
7.0.70.0170.00914.81
7.0.60.0150.01214.70
7.0.50.0200.00814.99
7.0.40.0180.00813.95
7.0.30.0220.00914.00
7.0.20.0180.01113.86
7.0.10.0240.00613.93
7.0.00.0190.00913.90
5.6.400.0050.00313.77
5.6.390.0060.00313.91
5.6.380.0060.00614.39
5.6.370.0080.00014.23
5.6.360.0090.00614.34
5.6.350.0040.00713.85
5.6.340.0120.00314.35
5.6.330.0070.01014.14
5.6.320.0030.01314.37
5.6.310.0100.00314.44
5.6.300.0070.00413.99
5.6.290.0000.00914.32
5.6.280.0030.01413.95
5.6.270.0070.01014.39
5.6.260.0060.00614.38
5.6.250.0060.01214.09
5.6.240.0060.00913.89
5.6.230.0040.00414.21
5.6.220.0030.00614.09
5.6.210.0070.00714.27
5.6.200.0060.01214.12
5.6.190.0030.00714.05
5.6.180.0060.00914.30
5.6.170.0070.01014.26
5.6.160.0070.00714.13
5.6.150.0150.00414.00
5.6.140.0100.00714.46
5.6.130.0070.01014.10
5.6.120.0090.00614.25
5.6.110.0030.01214.16
5.6.100.0100.00314.46
5.6.90.0070.00714.15
5.6.80.0070.00713.93
5.6.70.0030.01013.96
5.6.60.0100.00714.27
5.6.50.0090.00014.10
5.6.40.0030.01414.16
5.6.30.0130.00313.96
5.6.20.0070.00713.90
5.6.10.0060.00614.21
5.6.00.0100.00714.32

preferences:
43.8 ms | 401 KiB | 5 Q