3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "foo"; $a = +$a; var_dump($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)
8.4.120.0130.00622.24
8.4.110.0310.00518.09
8.4.100.0430.00717.82
8.4.90.0380.00817.94
8.4.80.0310.00517.83
8.4.70.0310.00617.81
8.4.60.0300.00717.93
8.4.50.0330.00417.82
8.4.40.0210.00617.67
8.4.30.0210.00417.59
8.4.20.0270.00717.57
8.4.10.0300.00717.70
8.3.250.0100.00917.20
8.3.240.0310.00616.60
8.3.230.0370.01116.52
8.3.220.0320.00816.49
8.3.210.0320.00916.43
8.3.200.0400.00716.56
8.3.190.0310.00716.21
8.3.180.0340.01016.58
8.3.170.0370.00516.34
8.3.160.0330.00416.50
8.3.150.0250.00716.60
8.3.140.0320.00516.57
8.3.130.0230.00716.55
8.3.120.0260.00416.46
8.3.110.0230.00716.39
8.3.100.0310.00716.42
8.3.90.0310.00516.62
8.3.80.0340.00716.36
8.3.70.0380.01016.40
8.3.60.0350.00816.56
8.3.50.0290.00816.43
8.3.40.0340.00317.54
8.3.30.0350.00817.52
8.3.20.0340.01017.35
8.3.10.0320.00817.61
8.3.00.0170.00917.47
8.2.290.0300.00916.77
8.2.280.0310.00816.64
8.2.270.0320.00816.83
8.2.260.0330.00816.42
8.2.250.0330.01016.52
8.2.240.0450.00716.42
8.2.230.0330.00916.60
8.2.220.0370.00616.49
8.2.210.0300.01016.42
8.2.200.0350.00916.57
8.2.190.0330.00716.62
8.2.180.0350.00816.62
8.2.170.0340.00917.66
8.2.160.0250.00617.77
8.2.150.0270.00817.59
8.2.140.0320.00817.60
8.2.130.0280.00717.42
8.2.120.0360.00917.46
8.2.110.0370.00817.44
8.2.100.0230.00717.61
8.2.90.0290.00317.45
8.2.80.0290.00517.57
8.2.70.0240.00717.54
8.2.60.0230.00317.39
8.2.50.0150.00517.63
8.2.40.0210.00617.48
8.2.30.0150.00417.63
8.2.20.0250.00517.57
8.2.10.0270.00717.39
8.2.00.0330.00817.59
8.1.330.0320.01116.03
8.1.320.0280.01116.39
8.1.310.0300.01216.10
8.1.300.0340.00215.92
8.1.290.0260.00215.79
8.1.280.0290.00916.25
8.1.270.0170.00617.16
8.1.260.0300.00917.49
8.1.250.0350.00117.32
8.1.240.0300.00817.06
8.1.230.0260.01117.07
8.1.220.0240.00217.37
8.1.210.0140.00817.22
8.1.200.0300.00917.14
8.1.190.0300.00917.19
8.1.180.0330.00917.29
8.1.170.0280.00717.15
8.1.160.0300.00817.09
8.1.150.0280.00916.94
8.1.140.0220.00417.13
8.1.130.0120.00517.19
8.1.120.0130.00417.20
8.1.110.0260.01316.97
8.1.100.0320.00717.10
8.1.90.0270.00516.93
8.1.80.0290.00617.18
8.1.70.0220.00417.21
8.1.60.0330.00517.33
8.1.50.0320.00617.21
8.1.40.0290.01017.67
8.1.30.0270.01117.41
8.1.20.0290.00717.21
8.1.10.0200.00517.45
8.1.00.0130.00417.27
8.0.300.0280.00616.57
8.0.290.0330.00516.77
8.0.280.0440.00516.59
8.0.270.0340.00516.61
8.0.260.0180.00616.83
8.0.250.0210.00616.71
8.0.240.0340.00716.63
8.0.230.0270.01216.57
8.0.220.0320.00516.64
8.0.210.0330.00816.60
8.0.200.0370.00316.75
8.0.190.0340.00716.63
8.0.180.0230.00716.39
8.0.170.0250.00316.52
8.0.160.0320.00716.72
8.0.150.0290.00816.53
8.0.140.0280.00616.45
8.0.130.0300.00316.62
8.0.120.0170.00316.47
8.0.110.0270.01116.57
8.0.100.0310.00716.49
8.0.90.0270.00916.58
8.0.80.0210.00316.58
8.0.70.0320.00816.64
8.0.60.0260.01116.64
8.0.50.0320.00316.38
8.0.30.0290.00816.63
8.0.20.0290.01016.70
8.0.10.0290.00916.75
8.0.00.0200.00416.94
7.4.330.0110.00516.52
7.4.320.0140.00116.04
7.4.300.0260.01016.27
7.4.290.0380.00816.23
7.4.280.0410.00716.11
7.4.270.0290.00616.19
7.4.260.0260.01016.32
7.4.250.0330.00516.35
7.4.240.0310.00816.15
7.4.230.0310.00516.10
7.4.220.0280.00816.04
7.4.210.0310.00516.08
7.4.200.0320.00716.09
7.4.190.0210.00516.15
7.4.180.0110.00516.15
7.4.160.0150.00316.15
7.4.150.0140.00216.15
7.4.140.0110.00416.27
7.4.130.0290.00716.19
7.4.120.0230.00716.19
7.4.110.0320.00416.10
7.4.100.0290.00715.95
7.4.90.0250.01016.20
7.4.80.0310.00515.99
7.4.70.0280.00416.22
7.4.60.0250.00716.08
7.4.50.0330.00615.90
7.4.40.0290.00915.89
7.4.30.0290.00616.29
7.4.20.0290.00616.00
7.4.10.0230.00916.14
7.4.00.0270.00616.13
7.3.330.0300.00615.95
7.3.320.0300.00515.92
7.3.310.0310.00415.95
7.3.300.0340.00616.08
7.3.290.0400.00715.67
7.3.280.0350.00915.76
7.3.270.0240.00415.77
7.3.260.0110.00616.03
7.3.250.0240.00816.13
7.3.240.0220.00315.98
7.3.230.0170.00615.99
7.3.220.0300.00515.96
7.3.210.0290.00415.55
7.3.200.0270.00715.91
7.3.190.0310.00415.72
7.3.180.0410.00515.88
7.3.170.0230.01516.46
7.3.160.0230.00316.02
7.3.150.0200.00415.93
7.3.140.0330.00416.04
7.3.130.0270.00615.80
7.3.120.0260.00715.89
7.3.110.0210.00315.79
7.3.100.0310.00316.05
7.3.90.0250.00916.15
7.3.80.0330.00415.59
7.3.70.0290.00616.05
7.3.60.0280.00715.89
7.3.50.0250.00815.99
7.3.40.0120.00315.93
7.3.30.0150.00115.97
7.3.20.0180.00316.03
7.3.10.0140.00416.07
7.3.00.0180.00715.84
7.2.340.0280.00816.12
7.2.330.0300.00616.00
7.2.320.0300.00816.01
7.2.310.0310.00515.99
7.2.300.0380.00815.86
7.2.290.0370.00815.92
7.2.280.0250.00916.03
7.2.270.0260.00515.96
7.2.260.0190.00516.13
7.2.250.0330.00615.85
7.2.240.0290.00616.01
7.2.230.0280.00816.03
7.2.220.0320.00615.80
7.2.210.0290.00615.89
7.2.200.0260.01015.83
7.2.190.0290.00816.03
7.2.180.0340.00715.79
7.2.170.0320.00715.70
7.2.160.0270.00416.32
7.2.150.0350.00915.89
7.2.140.0330.00716.25
7.2.130.0330.00316.34
7.2.120.0350.00616.07
7.2.110.0230.00616.24
7.2.100.0290.00215.89
7.2.90.0310.00716.10
7.2.80.0230.00416.39
7.2.70.0260.00516.02
7.2.60.0240.01016.23
7.2.50.0270.00716.52
7.2.40.0320.00516.40
7.2.30.0280.00815.97
7.2.20.0300.00816.39
7.2.10.0260.01216.21
7.2.00.0330.00716.46
7.1.330.0290.00615.13
7.1.320.0310.00415.10
7.1.310.0320.00515.14
7.1.300.0350.00615.05
7.1.290.0340.00515.23
7.1.280.0280.00615.22
7.1.270.0300.00515.07
7.1.260.0300.00414.99
7.1.250.0330.00515.45
7.1.240.0290.00415.27
7.1.230.0290.00515.01
7.1.220.0260.00915.06
7.1.210.0300.00715.27
7.1.200.0330.00415.31
7.1.190.0260.00615.32
7.1.180.0180.00215.04
7.1.170.0280.00714.70
7.1.160.0300.00415.27
7.1.150.0300.00415.20
7.1.140.0250.00715.15
7.1.130.0230.00915.02
7.1.120.0270.00715.02
7.1.110.0320.00315.20
7.1.100.0290.00615.38
7.1.90.0290.00515.16
7.1.80.0240.00815.08
7.1.70.1060.00815.17
7.1.60.0290.00615.21
7.1.50.0310.00415.01
7.1.40.0270.00715.33
7.1.30.0270.00715.11
7.1.20.0300.00615.07
7.1.10.0230.01215.05
7.1.00.0270.00915.09
7.0.330.0270.00915.03
7.0.320.0270.00514.93
7.0.310.0280.00614.62
7.0.300.0290.00514.86
7.0.290.0240.00814.79
7.0.280.0250.00514.89
7.0.270.0280.00514.85
7.0.260.0230.00715.00
7.0.250.0270.00515.14
7.0.240.0200.00415.14
7.0.230.0250.00515.11
7.0.220.0270.00714.82
7.0.210.0260.00914.89
7.0.200.0230.00615.01
7.0.190.0810.01014.99
7.0.180.0130.00415.04
7.0.170.0120.00515.10
7.0.160.0240.01014.95
7.0.150.0260.00614.80
7.0.140.0270.00714.86
7.0.130.0270.00714.89
7.0.120.0250.00614.75
7.0.110.0260.00614.86
7.0.100.0310.00714.63
7.0.90.0240.00815.03
7.0.80.0290.00614.85
7.0.70.0280.00614.90
7.0.60.0280.00414.95
7.0.50.0310.00414.75
7.0.40.0260.00815.06
7.0.30.0240.00314.67
7.0.20.0150.00415.01
7.0.10.0220.00514.87
7.0.00.0210.00115.22
5.6.400.0140.00115.55
5.6.390.0120.00215.81
5.6.380.0100.00515.63
5.6.370.0100.00415.62
5.6.360.0120.00315.60
5.6.350.0130.00215.74
5.6.340.0110.00415.63
5.6.330.0130.00115.35
5.6.320.0260.00515.61
5.6.310.0270.00315.34
5.6.300.0240.00415.44
5.6.290.0250.00715.68
5.6.280.0270.00815.63
5.6.270.0280.00415.62
5.6.260.0260.00715.47
5.6.250.0230.00915.30
5.6.240.0330.00515.43
5.6.230.0340.00515.41
5.6.220.0230.00715.59
5.6.210.0230.00615.66
5.6.200.0130.00115.70
5.6.190.0200.00315.78
5.6.180.0130.00215.73
5.6.170.0250.00815.51
5.6.160.0410.00415.57
5.6.150.0240.00915.75
5.6.140.0260.00615.47
5.6.130.0260.00615.29
5.6.120.0280.00615.42
5.6.110.0200.01115.43
5.6.100.0250.00815.16
5.6.90.0270.00515.41
5.6.80.0230.00815.37
5.6.70.0280.00415.46
5.6.60.0240.00715.54
5.6.50.0240.00715.74
5.6.40.0280.00615.68
5.6.30.0260.00315.79
5.6.20.0220.00615.39
5.6.10.0220.00715.60
5.6.00.0120.00715.49
5.5.380.0200.00515.46
5.5.370.0280.00815.64
5.5.360.0220.00815.51
5.5.350.0190.00315.50
5.5.340.0200.00815.52
5.5.330.0250.00715.43
5.5.320.0280.00515.70
5.5.310.0240.00815.63
5.5.300.0270.00415.60
5.5.290.0240.00815.43
5.5.280.0260.00515.38
5.5.270.0260.00615.70
5.5.260.0240.00815.63
5.5.250.0250.01015.55
5.5.240.0230.01315.57
5.5.230.0260.00715.44
5.5.220.0250.00815.37
5.5.210.0190.01215.50
5.5.200.0200.01215.22
5.5.190.0200.00615.51
5.5.180.0150.00415.33
5.5.170.0250.00815.25
5.5.160.0180.01215.27
5.5.150.0260.00615.46
5.5.140.0220.00715.19
5.5.130.0270.00515.25
5.5.120.0210.00615.53
5.5.110.0230.00615.23
5.5.100.0240.00815.38
5.5.90.0220.00815.45
5.5.80.0240.00415.57
5.5.70.0200.01115.35
5.5.60.0250.00515.35
5.5.50.0230.00815.53
5.5.40.0240.00615.48
5.5.30.0200.01015.67
5.5.20.0210.00915.56
5.5.10.0270.00315.62
5.5.00.0280.00515.41
5.4.450.0200.00513.93
5.4.440.0190.00613.93
5.4.430.0190.00513.93
5.4.420.0190.00613.93
5.4.410.0190.00613.93
5.4.400.0190.00613.93
5.4.390.0190.00513.93
5.4.380.0230.00313.93
5.4.370.0200.00413.93
5.4.360.0180.00713.93
5.4.350.0180.00713.93
5.4.340.0190.00513.93
5.4.330.0190.00613.93
5.4.320.0210.00313.93
5.4.310.0210.00513.93
5.4.300.0210.00413.93
5.4.290.0170.00613.93
5.4.280.0150.00613.93
5.4.270.0200.00413.93
5.4.260.0190.00613.93
5.4.250.0160.00913.93
5.4.240.0170.00713.93
5.4.230.0180.00513.93
5.4.220.0180.00513.93
5.4.210.0240.00313.93
5.4.200.0190.00513.93
5.4.190.0170.00813.93
5.4.180.0180.00613.93
5.4.170.0220.00213.93
5.4.160.0210.00413.93
5.4.150.0210.00413.93
5.4.140.0170.00813.93
5.4.130.0190.00513.93
5.4.120.0180.00813.93
5.4.110.0180.00713.93
5.4.100.0200.00413.93
5.4.90.0220.00213.93
5.4.80.0140.00613.93
5.4.70.0180.00513.93
5.4.60.0190.00513.93
5.4.50.0150.00813.93
5.4.40.0180.00613.93
5.4.30.0160.00713.93
5.4.20.0120.00313.93
5.4.10.0180.00613.93
5.4.00.0160.00713.93
5.3.290.0190.00613.93
5.3.280.0210.00813.93
5.3.270.0210.00513.93
5.3.260.0220.00213.93
5.3.250.0160.00613.93
5.3.240.0090.00213.93
5.3.230.0170.00813.93
5.3.220.0180.00613.93
5.3.210.0190.00513.93
5.3.200.0180.00513.93
5.3.190.0190.00513.93
5.3.180.0170.00813.93
5.3.170.0190.00713.93
5.3.160.0170.00313.93
5.3.150.0180.00713.93
5.3.140.0180.00713.93
5.3.130.0200.00513.93
5.3.120.0190.00513.93
5.3.110.0180.00613.93
5.3.100.0180.00613.93
5.3.90.0210.00313.93
5.3.80.0190.00513.93
5.3.70.0210.00313.93
5.3.60.0200.00413.93
5.3.50.0200.00413.93
5.3.40.0190.00513.93
5.3.30.0140.00913.93
5.3.20.0180.00513.93
5.3.10.0190.00513.93
5.3.00.0170.00613.93
5.2.170.0180.00413.93
5.2.160.0150.00413.93
5.2.150.0160.00413.93
5.2.140.0200.00413.93
5.2.130.0150.00713.93
5.2.120.0150.00613.93
5.2.110.0110.00513.93
5.2.100.0130.00213.93
5.2.90.0050.00413.93
5.2.80.0080.00113.93
5.2.70.0070.00213.93
5.2.60.0060.00313.93
5.2.50.0070.00213.93
5.2.40.0050.00413.93
5.2.30.0080.00213.93
5.2.20.0120.00713.93
5.2.10.0120.00613.93
5.2.00.0170.00213.93
5.1.60.0150.00213.93
5.1.50.0150.00313.93
5.1.40.0120.00413.93
5.1.30.0110.00713.93
5.1.20.0160.00213.93
5.1.10.0140.00313.93
5.1.00.0150.00513.93
5.0.50.0120.00313.93
5.0.40.0080.00613.93
5.0.30.0120.00213.93
5.0.20.0100.00413.93
5.0.10.0130.00213.93
5.0.00.0110.00313.93
4.4.90.0080.00013.93
4.4.80.0060.00313.93
4.4.70.0080.00113.93
4.4.60.0070.00213.93
4.4.50.0070.00213.93
4.4.40.0080.00213.93
4.4.30.0070.00213.93
4.4.20.0070.00213.93
4.4.10.0080.00113.93
4.4.00.0080.00113.93
4.3.110.0080.00113.93
4.3.100.0080.00113.93
4.3.90.0090.00013.93
4.3.80.0070.00213.93
4.3.70.0070.00313.93
4.3.60.0080.00013.93
4.3.50.0040.00413.93
4.3.40.0080.00113.93
4.3.30.0060.00113.93
4.3.20.0060.00113.93
4.3.10.0060.00113.93
4.3.00.0050.00213.93

preferences:
29.29 ms | 403 KiB | 5 Q